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Finding the Fourth Proportional to 3,692.48, 5,092.20 and 2,750.58

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Solution

The fourth proportional to 3,692.48, 5,092.20 and 2,750.58 is: 3,793.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,692.48 : 5,092.20 = 2,750.58 : x
  2. Step 2: Convert to fraction form
    3,692.48/5,092.20 = 2,750.58/x
  3. Step 3: Cross multiply
    3,692.48x = 5,092.20 × 2,750.58
  4. Step 4: Simplify right side
    3,692.48x = 14,006,503.48
  5. Step 5: Solve for x
    x = 14,006,503.48/3,692.48
  6. Step 6: Final answer
    x = 3,793.25

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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.