Home / 5,446.60-7,515.14-3,207.66

Finding the Fourth Proportional to 5,446.60, 7,515.14 and 3,207.66

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Solution

The fourth proportional to 5,446.60, 7,515.14 and 3,207.66 is: 4,425.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,446.60 : 7,515.14 = 3,207.66 : x
  2. Step 2: Convert to fraction form
    5,446.60/7,515.14 = 3,207.66/x
  3. Step 3: Cross multiply
    5,446.60x = 7,515.14 × 3,207.66
  4. Step 4: Simplify right side
    5,446.60x = 24,105,976.40
  5. Step 5: Solve for x
    x = 24,105,976.40/5,446.60
  6. Step 6: Final answer
    x = 4,425.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.