Home / 5,500.52-7,590.68-2,982.60

Finding the Fourth Proportional to 5,500.52, 7,590.68 and 2,982.60

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Solution

The fourth proportional to 5,500.52, 7,590.68 and 2,982.60 is: 4,115.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,500.52 : 7,590.68 = 2,982.60 : x
  2. Step 2: Convert to fraction form
    5,500.52/7,590.68 = 2,982.60/x
  3. Step 3: Cross multiply
    5,500.52x = 7,590.68 × 2,982.60
  4. Step 4: Simplify right side
    5,500.52x = 22,639,962.17
  5. Step 5: Solve for x
    x = 22,639,962.17/5,500.52
  6. Step 6: Final answer
    x = 4,115.97

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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.