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Finding the Fourth Proportional to 3,716.55, 5,129.06 and 2,060.55

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Solution

The fourth proportional to 3,716.55, 5,129.06 and 2,060.55 is: 2,843.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716.55 : 5,129.06 = 2,060.55 : x
  2. Step 2: Convert to fraction form
    3,716.55/5,129.06 = 2,060.55/x
  3. Step 3: Cross multiply
    3,716.55x = 5,129.06 × 2,060.55
  4. Step 4: Simplify right side
    3,716.55x = 10,568,664.09
  5. Step 5: Solve for x
    x = 10,568,664.09/3,716.55
  6. Step 6: Final answer
    x = 2,843.68

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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.