Home / 7,949.77-11,925.97-2,685.27

Finding the Fourth Proportional to 7,949.77, 11,925.97 and 2,685.27

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Solution

The fourth proportional to 7,949.77, 11,925.97 and 2,685.27 is: 4,028.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,949.77 : 11,925.97 = 2,685.27 : x
  2. Step 2: Convert to fraction form
    7,949.77/11,925.97 = 2,685.27/x
  3. Step 3: Cross multiply
    7,949.77x = 11,925.97 × 2,685.27
  4. Step 4: Simplify right side
    7,949.77x = 32,024,487.47
  5. Step 5: Solve for x
    x = 32,024,487.47/7,949.77
  6. Step 6: Final answer
    x = 4,028.36

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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.