Home / 7,337.42-10,127.40-4,195.43

Finding the Fourth Proportional to 7,337.42, 10,127.40 and 4,195.43

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Solution

The fourth proportional to 7,337.42, 10,127.40 and 4,195.43 is: 5,790.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,337.42 : 10,127.40 = 4,195.43 : x
  2. Step 2: Convert to fraction form
    7,337.42/10,127.40 = 4,195.43/x
  3. Step 3: Cross multiply
    7,337.42x = 10,127.40 × 4,195.43
  4. Step 4: Simplify right side
    7,337.42x = 42,488,797.78
  5. Step 5: Solve for x
    x = 42,488,797.78/7,337.42
  6. Step 6: Final answer
    x = 5,790.70

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Half scale
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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.