Home / 2,650.14-3,974.76-702.18

Finding the Fourth Proportional to 2,650.14, 3,974.76 and 702.18

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Solution

The fourth proportional to 2,650.14, 3,974.76 and 702.18 is: 1,053.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.14 : 3,974.76 = 702.18 : x
  2. Step 2: Convert to fraction form
    2,650.14/3,974.76 = 702.18/x
  3. Step 3: Cross multiply
    2,650.14x = 3,974.76 × 702.18
  4. Step 4: Simplify right side
    2,650.14x = 2,790,996.98
  5. Step 5: Solve for x
    x = 2,790,996.98/2,650.14
  6. Step 6: Final answer
    x = 1,053.15

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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.