Home / 10,425.04-15,638.31-2,929.70

Finding the Fourth Proportional to 10,425.04, 15,638.31 and 2,929.70

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Solution

The fourth proportional to 10,425.04, 15,638.31 and 2,929.70 is: 4,394.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,425.04 : 15,638.31 = 2,929.70 : x
  2. Step 2: Convert to fraction form
    10,425.04/15,638.31 = 2,929.70/x
  3. Step 3: Cross multiply
    10,425.04x = 15,638.31 × 2,929.70
  4. Step 4: Simplify right side
    10,425.04x = 45,815,595.90
  5. Step 5: Solve for x
    x = 45,815,595.90/10,425.04
  6. Step 6: Final answer
    x = 4,394.77

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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.