How many ratings will it take to get back to 5 stars ratings from 4.9

[sharjeelkhan932]

Hi, i currently have (475) 5 star reviews (8) 4 star reviews (3) 3 star reviews (0) 2 star reviews and (3) 1 star reviews. My total rating is 4.9 how much 5 star ratings do i need to get back to 5 star ratings? I didnt found out any calculator or guide on fiverr help center. Much appreciated, thankyou in advance. 

[imagination7413]

Does it really matter that much? 4.9 is not a bad rating. 

Still, here you go:

If you don't want to bother trying to 'solve for X', then all you need is Excel and the formula for getting an average, then altering the desired variable until you get the desired results.