Fernandinho, Arthur and Ramiro were all on target for the visitors at the Barradao stadium on Wednesday while midfielder David was on the scoresheet for the hosts, reports Xinhua news agency.
It was Gremio's 10th win from 15 matches and left them just six points behind Corinthians, who could only manage a 0-0 draw at Avai.
Elsewhere, Santos rose to third after a second-half strike from Argentinian midfielder Emiliano Vecchio gave them a 1-0 win over Chapecoense.
In Rio de Janeiro, Paolo Guerrero's fourth league goal of the season was not enough to hand Flamengo victory over Palmeiras as the Sao Paulo outfit mustered a 2-2 draw at Estadio Luso Brasileiro.
In other matches on Wednesday, Bahia won 2-0 at Atletico Mineiro, Ponte Preta routed Coritiba 4-0 and Sao Paulo overcame Vasco da Gama 1-0.
(This story has not been edited by Social News XYZ staff and is auto-generated from a syndicated feed.)
Doraiah Chowdary Vundavally is a Software engineer at VTech . He is the news editor of SocialNews.XYZ and Freelance writer-contributes Telugu and English Columns on Films, Politics, and Gossips. He is the primary contributor for South Cinema Section of SocialNews.XYZ. His mission is to help to develop SocialNews.XYZ into a News website that has no bias or judgement towards any.
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