Home / 2,249.92-3,104.54-1,255.15

Finding the Fourth Proportional to 2,249.92, 3,104.54 and 1,255.15

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Solution

The fourth proportional to 2,249.92, 3,104.54 and 1,255.15 is: 1,731.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.92 : 3,104.54 = 1,255.15 : x
  2. Step 2: Convert to fraction form
    2,249.92/3,104.54 = 1,255.15/x
  3. Step 3: Cross multiply
    2,249.92x = 3,104.54 × 1,255.15
  4. Step 4: Simplify right side
    2,249.92x = 3,896,657.11
  5. Step 5: Solve for x
    x = 3,896,657.11/2,249.92
  6. Step 6: Final answer
    x = 1,731.91

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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.