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Finding the Fourth Proportional to 3,417.97, 5,125.12 and 1,770.43

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Solution

The fourth proportional to 3,417.97, 5,125.12 and 1,770.43 is: 2,654.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.97 : 5,125.12 = 1,770.43 : x
  2. Step 2: Convert to fraction form
    3,417.97/5,125.12 = 1,770.43/x
  3. Step 3: Cross multiply
    3,417.97x = 5,125.12 × 1,770.43
  4. Step 4: Simplify right side
    3,417.97x = 9,073,640.58
  5. Step 5: Solve for x
    x = 9,073,640.58/3,417.97
  6. Step 6: Final answer
    x = 2,654.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.