Home / 2,929.92-4,394.88-1,471.92

Finding the Fourth Proportional to 2,929.92, 4,394.88 and 1,471.92

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Solution

The fourth proportional to 2,929.92, 4,394.88 and 1,471.92 is: 2,207.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.92 : 4,394.88 = 1,471.92 : x
  2. Step 2: Convert to fraction form
    2,929.92/4,394.88 = 1,471.92/x
  3. Step 3: Cross multiply
    2,929.92x = 4,394.88 × 1,471.92
  4. Step 4: Simplify right side
    2,929.92x = 6,468,911.77
  5. Step 5: Solve for x
    x = 6,468,911.77/2,929.92
  6. Step 6: Final answer
    x = 2,207.88

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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.