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Finding the Fourth Proportional to 4,160.97, 5,742.17 and 2,297.97

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Solution

The fourth proportional to 4,160.97, 5,742.17 and 2,297.97 is: 3,171.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,160.97 : 5,742.17 = 2,297.97 : x
  2. Step 2: Convert to fraction form
    4,160.97/5,742.17 = 2,297.97/x
  3. Step 3: Cross multiply
    4,160.97x = 5,742.17 × 2,297.97
  4. Step 4: Simplify right side
    4,160.97x = 13,195,322.91
  5. Step 5: Solve for x
    x = 13,195,322.91/4,160.97
  6. Step 6: Final answer
    x = 3,171.21

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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.