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Finding the Fourth Proportional to 5,195.68, 7,169.92 and 2,837.83

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Solution

The fourth proportional to 5,195.68, 7,169.92 and 2,837.83 is: 3,916.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.68 : 7,169.92 = 2,837.83 : x
  2. Step 2: Convert to fraction form
    5,195.68/7,169.92 = 2,837.83/x
  3. Step 3: Cross multiply
    5,195.68x = 7,169.92 × 2,837.83
  4. Step 4: Simplify right side
    5,195.68x = 20,346,964.03
  5. Step 5: Solve for x
    x = 20,346,964.03/5,195.68
  6. Step 6: Final answer
    x = 3,916.13

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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.