Home / 3,772.60-5,195.20-3,531.93

Finding the Fourth Proportional to 3,772.60, 5,195.20 and 3,531.93

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Solution

The fourth proportional to 3,772.60, 5,195.20 and 3,531.93 is: 4,863.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,772.60 : 5,195.20 = 3,531.93 : x
  2. Step 2: Convert to fraction form
    3,772.60/5,195.20 = 3,531.93/x
  3. Step 3: Cross multiply
    3,772.60x = 5,195.20 × 3,531.93
  4. Step 4: Simplify right side
    3,772.60x = 18,349,082.74
  5. Step 5: Solve for x
    x = 18,349,082.74/3,772.60
  6. Step 6: Final answer
    x = 4,863.78

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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.