Home / 5,229.39-7,213.55-3,132.30

Finding the Fourth Proportional to 5,229.39, 7,213.55 and 3,132.30

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Solution

The fourth proportional to 5,229.39, 7,213.55 and 3,132.30 is: 4,320.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.39 : 7,213.55 = 3,132.30 : x
  2. Step 2: Convert to fraction form
    5,229.39/7,213.55 = 3,132.30/x
  3. Step 3: Cross multiply
    5,229.39x = 7,213.55 × 3,132.30
  4. Step 4: Simplify right side
    5,229.39x = 22,594,987.00
  5. Step 5: Solve for x
    x = 22,594,987.00/5,229.39
  6. Step 6: Final answer
    x = 4,320.77

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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.