Home / 5,249.04-7,243.11-2,891.04

Finding the Fourth Proportional to 5,249.04, 7,243.11 and 2,891.04

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Solution

The fourth proportional to 5,249.04, 7,243.11 and 2,891.04 is: 3,989.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,249.04 : 7,243.11 = 2,891.04 : x
  2. Step 2: Convert to fraction form
    5,249.04/7,243.11 = 2,891.04/x
  3. Step 3: Cross multiply
    5,249.04x = 7,243.11 × 2,891.04
  4. Step 4: Simplify right side
    5,249.04x = 20,940,120.73
  5. Step 5: Solve for x
    x = 20,940,120.73/5,249.04
  6. Step 6: Final answer
    x = 3,989.32

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.