Home / 3,177.16-4,761.82-1,227.76

Finding the Fourth Proportional to 3,177.16, 4,761.82 and 1,227.76

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Solution

The fourth proportional to 3,177.16, 4,761.82 and 1,227.76 is: 1,840.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.16 : 4,761.82 = 1,227.76 : x
  2. Step 2: Convert to fraction form
    3,177.16/4,761.82 = 1,227.76/x
  3. Step 3: Cross multiply
    3,177.16x = 4,761.82 × 1,227.76
  4. Step 4: Simplify right side
    3,177.16x = 5,846,372.12
  5. Step 5: Solve for x
    x = 5,846,372.12/3,177.16
  6. Step 6: Final answer
    x = 1,840.13

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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.