Home / 5,249.73-7,244.54-2,891.85

Finding the Fourth Proportional to 5,249.73, 7,244.54 and 2,891.85

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Solution

The fourth proportional to 5,249.73, 7,244.54 and 2,891.85 is: 3,990.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,249.73 : 7,244.54 = 2,891.85 : x
  2. Step 2: Convert to fraction form
    5,249.73/7,244.54 = 2,891.85/x
  3. Step 3: Cross multiply
    5,249.73x = 7,244.54 × 2,891.85
  4. Step 4: Simplify right side
    5,249.73x = 20,950,108.54
  5. Step 5: Solve for x
    x = 20,950,108.54/5,249.73
  6. Step 6: Final answer
    x = 3,990.70

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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.