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Finding the Fourth Proportional to 3,668.91, 5,062.96 and 2,175.93

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Solution

The fourth proportional to 3,668.91, 5,062.96 and 2,175.93 is: 3,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,668.91 : 5,062.96 = 2,175.93 : x
  2. Step 2: Convert to fraction form
    3,668.91/5,062.96 = 2,175.93/x
  3. Step 3: Cross multiply
    3,668.91x = 5,062.96 × 2,175.93
  4. Step 4: Simplify right side
    3,668.91x = 11,016,646.55
  5. Step 5: Solve for x
    x = 11,016,646.55/3,668.91
  6. Step 6: Final answer
    x = 3,002.70

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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.