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Finding the Fourth Proportional to 3,750.59, 5,174.18 and 2,257.65

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Solution

The fourth proportional to 3,750.59, 5,174.18 and 2,257.65 is: 3,114.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.59 : 5,174.18 = 2,257.65 : x
  2. Step 2: Convert to fraction form
    3,750.59/5,174.18 = 2,257.65/x
  3. Step 3: Cross multiply
    3,750.59x = 5,174.18 × 2,257.65
  4. Step 4: Simplify right side
    3,750.59x = 11,681,476.19
  5. Step 5: Solve for x
    x = 11,681,476.19/3,750.59
  6. Step 6: Final answer
    x = 3,114.57

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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.