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Finding the Fourth Proportional to 3,866.89, 5,334.91 and 2,375.29

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Solution

The fourth proportional to 3,866.89, 5,334.91 and 2,375.29 is: 3,277.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,866.89 : 5,334.91 = 2,375.29 : x
  2. Step 2: Convert to fraction form
    3,866.89/5,334.91 = 2,375.29/x
  3. Step 3: Cross multiply
    3,866.89x = 5,334.91 × 2,375.29
  4. Step 4: Simplify right side
    3,866.89x = 12,671,949.96
  5. Step 5: Solve for x
    x = 12,671,949.96/3,866.89
  6. Step 6: Final answer
    x = 3,277.04

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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.