Home / 5,234.52-7,851.30-1,771.56

Finding the Fourth Proportional to 5,234.52, 7,851.30 and 1,771.56

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Solution

The fourth proportional to 5,234.52, 7,851.30 and 1,771.56 is: 2,657.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234.52 : 7,851.30 = 1,771.56 : x
  2. Step 2: Convert to fraction form
    5,234.52/7,851.30 = 1,771.56/x
  3. Step 3: Cross multiply
    5,234.52x = 7,851.30 × 1,771.56
  4. Step 4: Simplify right side
    5,234.52x = 13,909,049.03
  5. Step 5: Solve for x
    x = 13,909,049.03/5,234.52
  6. Step 6: Final answer
    x = 2,657.18

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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.