Home / 7,691.38-10,614.11-4,154.60

Finding the Fourth Proportional to 7,691.38, 10,614.11 and 4,154.60

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Solution

The fourth proportional to 7,691.38, 10,614.11 and 4,154.60 is: 5,733.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,691.38 : 10,614.11 = 4,154.60 : x
  2. Step 2: Convert to fraction form
    7,691.38/10,614.11 = 4,154.60/x
  3. Step 3: Cross multiply
    7,691.38x = 10,614.11 × 4,154.60
  4. Step 4: Simplify right side
    7,691.38x = 44,097,338.72
  5. Step 5: Solve for x
    x = 44,097,338.72/7,691.38
  6. Step 6: Final answer
    x = 5,733.34

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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.