Answer :

1inch= 0,8(3) feet

5,400*0,8333 : 5280=  4,4999 :5280=0, 085 miles
[tex]1mi=5280ft\\\\1ft=12in\\\\1mi=5280\times12in=63360in\to1in=\frac{1}{63360}mi\\\\5,400in=5,400\times\frac{1}{63,360}mi\approx0.085mi[/tex]