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Finding the Fourth Proportional to 3,751.48, 5,175.96 and 2,425.96

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Solution

The fourth proportional to 3,751.48, 5,175.96 and 2,425.96 is: 3,347.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,751.48 : 5,175.96 = 2,425.96 : x
  2. Step 2: Convert to fraction form
    3,751.48/5,175.96 = 2,425.96/x
  3. Step 3: Cross multiply
    3,751.48x = 5,175.96 × 2,425.96
  4. Step 4: Simplify right side
    3,751.48x = 12,556,671.92
  5. Step 5: Solve for x
    x = 12,556,671.92/3,751.48
  6. Step 6: Final answer
    x = 3,347.12

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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.