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Finding the Fourth Proportional to 3,770.99, 5,634.17 and 3,641.79

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Solution

The fourth proportional to 3,770.99, 5,634.17 and 3,641.79 is: 5,441.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770.99 : 5,634.17 = 3,641.79 : x
  2. Step 2: Convert to fraction form
    3,770.99/5,634.17 = 3,641.79/x
  3. Step 3: Cross multiply
    3,770.99x = 5,634.17 × 3,641.79
  4. Step 4: Simplify right side
    3,770.99x = 20,518,463.96
  5. Step 5: Solve for x
    x = 20,518,463.96/3,770.99
  6. Step 6: Final answer
    x = 5,441.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.