Home / 1,475.28-2,213.16-501.36

Finding the Fourth Proportional to 1,475.28, 2,213.16 and 501.36

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Solution

The fourth proportional to 1,475.28, 2,213.16 and 501.36 is: 752.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475.28 : 2,213.16 = 501.36 : x
  2. Step 2: Convert to fraction form
    1,475.28/2,213.16 = 501.36/x
  3. Step 3: Cross multiply
    1,475.28x = 2,213.16 × 501.36
  4. Step 4: Simplify right side
    1,475.28x = 1,109,589.90
  5. Step 5: Solve for x
    x = 1,109,589.90/1,475.28
  6. Step 6: Final answer
    x = 752.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.