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Finding the Fourth Proportional to 3,173.99, 4,380.15 and 1,757.65

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Solution

The fourth proportional to 3,173.99, 4,380.15 and 1,757.65 is: 2,425.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.99 : 4,380.15 = 1,757.65 : x
  2. Step 2: Convert to fraction form
    3,173.99/4,380.15 = 1,757.65/x
  3. Step 3: Cross multiply
    3,173.99x = 4,380.15 × 1,757.65
  4. Step 4: Simplify right side
    3,173.99x = 7,698,769.56
  5. Step 5: Solve for x
    x = 7,698,769.56/3,173.99
  6. Step 6: Final answer
    x = 2,425.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.