Home / 6,609.17-9,120.78-3,624.83

Finding the Fourth Proportional to 6,609.17, 9,120.78 and 3,624.83

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Solution

The fourth proportional to 6,609.17, 9,120.78 and 3,624.83 is: 5,002.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,609.17 : 9,120.78 = 3,624.83 : x
  2. Step 2: Convert to fraction form
    6,609.17/9,120.78 = 3,624.83/x
  3. Step 3: Cross multiply
    6,609.17x = 9,120.78 × 3,624.83
  4. Step 4: Simplify right side
    6,609.17x = 33,061,276.97
  5. Step 5: Solve for x
    x = 33,061,276.97/6,609.17
  6. Step 6: Final answer
    x = 5,002.33

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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.