Home / 5,234.26-7,851.40-2,635.42

Finding the Fourth Proportional to 5,234.26, 7,851.40 and 2,635.42

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Solution

The fourth proportional to 5,234.26, 7,851.40 and 2,635.42 is: 3,953.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234.26 : 7,851.40 = 2,635.42 : x
  2. Step 2: Convert to fraction form
    5,234.26/7,851.40 = 2,635.42/x
  3. Step 3: Cross multiply
    5,234.26x = 7,851.40 × 2,635.42
  4. Step 4: Simplify right side
    5,234.26x = 20,691,736.59
  5. Step 5: Solve for x
    x = 20,691,736.59/5,234.26
  6. Step 6: Final answer
    x = 3,953.14

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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.