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Finding the Fourth Proportional to 3,860.97, 5,793.82 and 1,669.65

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Solution

The fourth proportional to 3,860.97, 5,793.82 and 1,669.65 is: 2,505.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.97 : 5,793.82 = 1,669.65 : x
  2. Step 2: Convert to fraction form
    3,860.97/5,793.82 = 1,669.65/x
  3. Step 3: Cross multiply
    3,860.97x = 5,793.82 × 1,669.65
  4. Step 4: Simplify right side
    3,860.97x = 9,673,651.56
  5. Step 5: Solve for x
    x = 9,673,651.56/3,860.97
  6. Step 6: Final answer
    x = 2,505.50

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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.