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Finding the Fourth Proportional to 3,770.73, 5,655.75 and 1,429.73

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Solution

The fourth proportional to 3,770.73, 5,655.75 and 1,429.73 is: 2,144.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770.73 : 5,655.75 = 1,429.73 : x
  2. Step 2: Convert to fraction form
    3,770.73/5,655.75 = 1,429.73/x
  3. Step 3: Cross multiply
    3,770.73x = 5,655.75 × 1,429.73
  4. Step 4: Simplify right side
    3,770.73x = 8,086,195.45
  5. Step 5: Solve for x
    x = 8,086,195.45/3,770.73
  6. Step 6: Final answer
    x = 2,144.46

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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.