Home / 6,517.13-9,772.45-2,620.49

Finding the Fourth Proportional to 6,517.13, 9,772.45 and 2,620.49

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Solution

The fourth proportional to 6,517.13, 9,772.45 and 2,620.49 is: 3,929.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,517.13 : 9,772.45 = 2,620.49 : x
  2. Step 2: Convert to fraction form
    6,517.13/9,772.45 = 2,620.49/x
  3. Step 3: Cross multiply
    6,517.13x = 9,772.45 × 2,620.49
  4. Step 4: Simplify right side
    6,517.13x = 25,608,552.09
  5. Step 5: Solve for x
    x = 25,608,552.09/6,517.13
  6. Step 6: Final answer
    x = 3,929.42

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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.