Home / 6,747.52-10,121.30-2,643.52

Finding the Fourth Proportional to 6,747.52, 10,121.30 and 2,643.52

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Solution

The fourth proportional to 6,747.52, 10,121.30 and 2,643.52 is: 3,965.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,747.52 : 10,121.30 = 2,643.52 : x
  2. Step 2: Convert to fraction form
    6,747.52/10,121.30 = 2,643.52/x
  3. Step 3: Cross multiply
    6,747.52x = 10,121.30 × 2,643.52
  4. Step 4: Simplify right side
    6,747.52x = 26,755,858.98
  5. Step 5: Solve for x
    x = 26,755,858.98/6,747.52
  6. Step 6: Final answer
    x = 3,965.29

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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.