Home / 3,727.86-5,144.45-2,049.38

Finding the Fourth Proportional to 3,727.86, 5,144.45 and 2,049.38

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Solution

The fourth proportional to 3,727.86, 5,144.45 and 2,049.38 is: 2,828.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.86 : 5,144.45 = 2,049.38 : x
  2. Step 2: Convert to fraction form
    3,727.86/5,144.45 = 2,049.38/x
  3. Step 3: Cross multiply
    3,727.86x = 5,144.45 × 2,049.38
  4. Step 4: Simplify right side
    3,727.86x = 10,542,896.97
  5. Step 5: Solve for x
    x = 10,542,896.97/3,727.86
  6. Step 6: Final answer
    x = 2,828.14

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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.