Home / 7,354.59-10,149.38-3,997.43

Finding the Fourth Proportional to 7,354.59, 10,149.38 and 3,997.43

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Solution

The fourth proportional to 7,354.59, 10,149.38 and 3,997.43 is: 5,516.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,354.59 : 10,149.38 = 3,997.43 : x
  2. Step 2: Convert to fraction form
    7,354.59/10,149.38 = 3,997.43/x
  3. Step 3: Cross multiply
    7,354.59x = 10,149.38 × 3,997.43
  4. Step 4: Simplify right side
    7,354.59x = 40,571,436.09
  5. Step 5: Solve for x
    x = 40,571,436.09/7,354.59
  6. Step 6: Final answer
    x = 5,516.48

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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.