Home / 5,471.42-7,553.68-3,613.82

Finding the Fourth Proportional to 5,471.42, 7,553.68 and 3,613.82

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Solution

The fourth proportional to 5,471.42, 7,553.68 and 3,613.82 is: 4,989.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.42 : 7,553.68 = 3,613.82 : x
  2. Step 2: Convert to fraction form
    5,471.42/7,553.68 = 3,613.82/x
  3. Step 3: Cross multiply
    5,471.42x = 7,553.68 × 3,613.82
  4. Step 4: Simplify right side
    5,471.42x = 27,297,639.86
  5. Step 5: Solve for x
    x = 27,297,639.86/5,471.42
  6. Step 6: Final answer
    x = 4,989.13

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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.