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Finding the Fourth Proportional to 3,718.08, 5,131.04 and 2,062.08

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Solution

The fourth proportional to 3,718.08, 5,131.04 and 2,062.08 is: 2,845.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.08 : 5,131.04 = 2,062.08 : x
  2. Step 2: Convert to fraction form
    3,718.08/5,131.04 = 2,062.08/x
  3. Step 3: Cross multiply
    3,718.08x = 5,131.04 × 2,062.08
  4. Step 4: Simplify right side
    3,718.08x = 10,580,614.96
  5. Step 5: Solve for x
    x = 10,580,614.96/3,718.08
  6. Step 6: Final answer
    x = 2,845.72

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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.