Home / 4,758.31-7,138.14-1,471.66

Finding the Fourth Proportional to 4,758.31, 7,138.14 and 1,471.66

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Solution

The fourth proportional to 4,758.31, 7,138.14 and 1,471.66 is: 2,207.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,758.31 : 7,138.14 = 1,471.66 : x
  2. Step 2: Convert to fraction form
    4,758.31/7,138.14 = 1,471.66/x
  3. Step 3: Cross multiply
    4,758.31x = 7,138.14 × 1,471.66
  4. Step 4: Simplify right side
    4,758.31x = 10,504,897.27
  5. Step 5: Solve for x
    x = 10,504,897.27/4,758.31
  6. Step 6: Final answer
    x = 2,207.70

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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.