Home / 3,747.41-5,173.49-2,255.69

Finding the Fourth Proportional to 3,747.41, 5,173.49 and 2,255.69

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Solution

The fourth proportional to 3,747.41, 5,173.49 and 2,255.69 is: 3,114.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.41 : 5,173.49 = 2,255.69 : x
  2. Step 2: Convert to fraction form
    3,747.41/5,173.49 = 2,255.69/x
  3. Step 3: Cross multiply
    3,747.41x = 5,173.49 × 2,255.69
  4. Step 4: Simplify right side
    3,747.41x = 11,669,789.66
  5. Step 5: Solve for x
    x = 11,669,789.66/3,747.41
  6. Step 6: Final answer
    x = 3,114.10

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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.