Home / 2,929.64-4,387.52-2,542.79

Finding the Fourth Proportional to 2,929.64, 4,387.52 and 2,542.79

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Solution

The fourth proportional to 2,929.64, 4,387.52 and 2,542.79 is: 3,808.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.64 : 4,387.52 = 2,542.79 : x
  2. Step 2: Convert to fraction form
    2,929.64/4,387.52 = 2,542.79/x
  3. Step 3: Cross multiply
    2,929.64x = 4,387.52 × 2,542.79
  4. Step 4: Simplify right side
    2,929.64x = 11,156,559.31
  5. Step 5: Solve for x
    x = 11,156,559.31/2,929.64
  6. Step 6: Final answer
    x = 3,808.17

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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.