Home / 4,755.75-7,131.05-3,371.79

Finding the Fourth Proportional to 4,755.75, 7,131.05 and 3,371.79

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Solution

The fourth proportional to 4,755.75, 7,131.05 and 3,371.79 is: 5,055.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,755.75 : 7,131.05 = 3,371.79 : x
  2. Step 2: Convert to fraction form
    4,755.75/7,131.05 = 3,371.79/x
  3. Step 3: Cross multiply
    4,755.75x = 7,131.05 × 3,371.79
  4. Step 4: Simplify right side
    4,755.75x = 24,044,386.22
  5. Step 5: Solve for x
    x = 24,044,386.22/4,755.75
  6. Step 6: Final answer
    x = 5,055.86

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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.