Home / 4,755.75-7,127.34-3,443.91

Finding the Fourth Proportional to 4,755.75, 7,127.34 and 3,443.91

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Solution

The fourth proportional to 4,755.75, 7,127.34 and 3,443.91 is: 5,161.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,755.75 : 7,127.34 = 3,443.91 : x
  2. Step 2: Convert to fraction form
    4,755.75/7,127.34 = 3,443.91/x
  3. Step 3: Cross multiply
    4,755.75x = 7,127.34 × 3,443.91
  4. Step 4: Simplify right side
    4,755.75x = 24,545,917.50
  5. Step 5: Solve for x
    x = 24,545,917.50/4,755.75
  6. Step 6: Final answer
    x = 5,161.31

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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.