Answer:
Part 1) 
 is
 is  in reduced form .
 in reduced form .
 
 
These are not proportionate to each other
Part 2) 
 is
 is  in reduced form .
 in reduced form .
So,  
So, these are proportionate to each other .
Part 3) 
 is
 is  in reduced form .
 in reduced form .
So,  
So, these are proportionate to each other .
Part 4) 
Since we cannot reduce  into
 into  and vice versa.
 and vice versa.
So, These are not proportionate to each other
Part 5) 
 is
 is  in reduced form .
 in reduced form .
So, 
So, these are proportionate to each other .