Home / 5,213.83-7,817.29-2,874.97

Finding the Fourth Proportional to 5,213.83, 7,817.29 and 2,874.97

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Solution

The fourth proportional to 5,213.83, 7,817.29 and 2,874.97 is: 4,310.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.83 : 7,817.29 = 2,874.97 : x
  2. Step 2: Convert to fraction form
    5,213.83/7,817.29 = 2,874.97/x
  3. Step 3: Cross multiply
    5,213.83x = 7,817.29 × 2,874.97
  4. Step 4: Simplify right side
    5,213.83x = 22,474,474.23
  5. Step 5: Solve for x
    x = 22,474,474.23/5,213.83
  6. Step 6: Final answer
    x = 4,310.55

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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.