Last year, Elmwood Elementary sold 3,400 raffle tickets, of which 170 were winners. This year, Elmwood Elementary sold 5,000 raffle tickets

Last year, Elmwood Elementary sold 3,400 raffle tickets, of which 170 were winners. This year, Elmwood Elementary sold 5,000 raffle tickets and x are winners. If the unit rate is the same for both years, what is the value of x?