Home / 5,220.24-7,203.91-2,862.53

Finding the Fourth Proportional to 5,220.24, 7,203.91 and 2,862.53

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Solution

The fourth proportional to 5,220.24, 7,203.91 and 2,862.53 is: 3,950.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.24 : 7,203.91 = 2,862.53 : x
  2. Step 2: Convert to fraction form
    5,220.24/7,203.91 = 2,862.53/x
  3. Step 3: Cross multiply
    5,220.24x = 7,203.91 × 2,862.53
  4. Step 4: Simplify right side
    5,220.24x = 20,621,408.49
  5. Step 5: Solve for x
    x = 20,621,408.49/5,220.24
  6. Step 6: Final answer
    x = 3,950.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.