Home / 3,950.72-5,451.45-2,249.27

Finding the Fourth Proportional to 3,950.72, 5,451.45 and 2,249.27

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Solution

The fourth proportional to 3,950.72, 5,451.45 and 2,249.27 is: 3,103.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.72 : 5,451.45 = 2,249.27 : x
  2. Step 2: Convert to fraction form
    3,950.72/5,451.45 = 2,249.27/x
  3. Step 3: Cross multiply
    3,950.72x = 5,451.45 × 2,249.27
  4. Step 4: Simplify right side
    3,950.72x = 12,261,755.68
  5. Step 5: Solve for x
    x = 12,261,755.68/3,950.72
  6. Step 6: Final answer
    x = 3,103.68

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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.