Answer: x=7Step-by-step explanation:Ok, so first put SR/ML=QR/KL (not dividing)Then, fill in the blanks, x/5=4.2/3Then, cross multiply leaving the equals sign there x*3=4.2*5Then, solve for x 3x=21 β β 3. 3Lastly you get your answer of X=7 Hope I helped