Home / 5,176.14-7,136.42-3,761.88

Finding the Fourth Proportional to 5,176.14, 7,136.42 and 3,761.88

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Solution

The fourth proportional to 5,176.14, 7,136.42 and 3,761.88 is: 5,186.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.14 : 7,136.42 = 3,761.88 : x
  2. Step 2: Convert to fraction form
    5,176.14/7,136.42 = 3,761.88/x
  3. Step 3: Cross multiply
    5,176.14x = 7,136.42 × 3,761.88
  4. Step 4: Simplify right side
    5,176.14x = 26,846,336.86
  5. Step 5: Solve for x
    x = 26,846,336.86/5,176.14
  6. Step 6: Final answer
    x = 5,186.56

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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.