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Finding the Fourth Proportional to 3,793.79, 5,692.85 and 1,330.44

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Solution

The fourth proportional to 3,793.79, 5,692.85 and 1,330.44 is: 1,996.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,793.79 : 5,692.85 = 1,330.44 : x
  2. Step 2: Convert to fraction form
    3,793.79/5,692.85 = 1,330.44/x
  3. Step 3: Cross multiply
    3,793.79x = 5,692.85 × 1,330.44
  4. Step 4: Simplify right side
    3,793.79x = 7,573,988.70
  5. Step 5: Solve for x
    x = 7,573,988.70/3,793.79
  6. Step 6: Final answer
    x = 1,996.42

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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.