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Finding the Fourth Proportional to 3,841.62, 5,301.33 and 2,185.62

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Solution

The fourth proportional to 3,841.62, 5,301.33 and 2,185.62 is: 3,016.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,841.62 : 5,301.33 = 2,185.62 : x
  2. Step 2: Convert to fraction form
    3,841.62/5,301.33 = 2,185.62/x
  3. Step 3: Cross multiply
    3,841.62x = 5,301.33 × 2,185.62
  4. Step 4: Simplify right side
    3,841.62x = 11,586,692.87
  5. Step 5: Solve for x
    x = 11,586,692.87/3,841.62
  6. Step 6: Final answer
    x = 3,016.10

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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.