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Finding the Fourth Proportional to 2,713.74, 3,752.85 and 2,664.55

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Solution

The fourth proportional to 2,713.74, 3,752.85 and 2,664.55 is: 3,684.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,713.74 : 3,752.85 = 2,664.55 : x
  2. Step 2: Convert to fraction form
    2,713.74/3,752.85 = 2,664.55/x
  3. Step 3: Cross multiply
    2,713.74x = 3,752.85 × 2,664.55
  4. Step 4: Simplify right side
    2,713.74x = 9,999,656.47
  5. Step 5: Solve for x
    x = 9,999,656.47/2,713.74
  6. Step 6: Final answer
    x = 3,684.82

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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.