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Finding the Fourth Proportional to 3,771.65, 5,657.39 and 1,463.15

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Solution

The fourth proportional to 3,771.65, 5,657.39 and 1,463.15 is: 2,194.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.65 : 5,657.39 = 1,463.15 : x
  2. Step 2: Convert to fraction form
    3,771.65/5,657.39 = 1,463.15/x
  3. Step 3: Cross multiply
    3,771.65x = 5,657.39 × 1,463.15
  4. Step 4: Simplify right side
    3,771.65x = 8,277,602.86
  5. Step 5: Solve for x
    x = 8,277,602.86/3,771.65
  6. Step 6: Final answer
    x = 2,194.69

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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.