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Finding the Fourth Proportional to 3,775.96, 5,209.68 and 2,283.76

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Solution

The fourth proportional to 3,775.96, 5,209.68 and 2,283.76 is: 3,150.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,775.96 : 5,209.68 = 2,283.76 : x
  2. Step 2: Convert to fraction form
    3,775.96/5,209.68 = 2,283.76/x
  3. Step 3: Cross multiply
    3,775.96x = 5,209.68 × 2,283.76
  4. Step 4: Simplify right side
    3,775.96x = 11,897,658.80
  5. Step 5: Solve for x
    x = 11,897,658.80/3,775.96
  6. Step 6: Final answer
    x = 3,150.90

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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.