Home / 7,691.06-10,613.66-4,154.27

Finding the Fourth Proportional to 7,691.06, 10,613.66 and 4,154.27

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Solution

The fourth proportional to 7,691.06, 10,613.66 and 4,154.27 is: 5,732.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,691.06 : 10,613.66 = 4,154.27 : x
  2. Step 2: Convert to fraction form
    7,691.06/10,613.66 = 4,154.27/x
  3. Step 3: Cross multiply
    7,691.06x = 10,613.66 × 4,154.27
  4. Step 4: Simplify right side
    7,691.06x = 44,091,988.56
  5. Step 5: Solve for x
    x = 44,091,988.56/7,691.06
  6. Step 6: Final answer
    x = 5,732.89

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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.