Home / 1,542.24-2,312.28-568.08

Finding the Fourth Proportional to 1,542.24, 2,312.28 and 568.08

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Solution

The fourth proportional to 1,542.24, 2,312.28 and 568.08 is: 851.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542.24 : 2,312.28 = 568.08 : x
  2. Step 2: Convert to fraction form
    1,542.24/2,312.28 = 568.08/x
  3. Step 3: Cross multiply
    1,542.24x = 2,312.28 × 568.08
  4. Step 4: Simplify right side
    1,542.24x = 1,313,560.02
  5. Step 5: Solve for x
    x = 1,313,560.02/1,542.24
  6. Step 6: Final answer
    x = 851.72

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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.