Home / 7,337.62-10,125.92-3,980.44

Finding the Fourth Proportional to 7,337.62, 10,125.92 and 3,980.44

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Solution

The fourth proportional to 7,337.62, 10,125.92 and 3,980.44 is: 5,493.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,337.62 : 10,125.92 = 3,980.44 : x
  2. Step 2: Convert to fraction form
    7,337.62/10,125.92 = 3,980.44/x
  3. Step 3: Cross multiply
    7,337.62x = 10,125.92 × 3,980.44
  4. Step 4: Simplify right side
    7,337.62x = 40,305,617.00
  5. Step 5: Solve for x
    x = 40,305,617.00/7,337.62
  6. Step 6: Final answer
    x = 5,493.01

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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.