Home / 3,462.59-5,180.79-2,123.61

Finding the Fourth Proportional to 3,462.59, 5,180.79 and 2,123.61

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Solution

The fourth proportional to 3,462.59, 5,180.79 and 2,123.61 is: 3,177.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.59 : 5,180.79 = 2,123.61 : x
  2. Step 2: Convert to fraction form
    3,462.59/5,180.79 = 2,123.61/x
  3. Step 3: Cross multiply
    3,462.59x = 5,180.79 × 2,123.61
  4. Step 4: Simplify right side
    3,462.59x = 11,001,977.45
  5. Step 5: Solve for x
    x = 11,001,977.45/3,462.59
  6. Step 6: Final answer
    x = 3,177.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.