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Finding the Fourth Proportional to 6,873.14, 10,310.72 and 2,489.57

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Solution

The fourth proportional to 6,873.14, 10,310.72 and 2,489.57 is: 3,734.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,873.14 : 10,310.72 = 2,489.57 : x
  2. Step 2: Convert to fraction form
    6,873.14/10,310.72 = 2,489.57/x
  3. Step 3: Cross multiply
    6,873.14x = 10,310.72 × 2,489.57
  4. Step 4: Simplify right side
    6,873.14x = 25,669,259.19
  5. Step 5: Solve for x
    x = 25,669,259.19/6,873.14
  6. Step 6: Final answer
    x = 3,734.72

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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.