Home / 5,239.14-7,849.34-2,768.44

Finding the Fourth Proportional to 5,239.14, 7,849.34 and 2,768.44

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Solution

The fourth proportional to 5,239.14, 7,849.34 and 2,768.44 is: 4,147.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.14 : 7,849.34 = 2,768.44 : x
  2. Step 2: Convert to fraction form
    5,239.14/7,849.34 = 2,768.44/x
  3. Step 3: Cross multiply
    5,239.14x = 7,849.34 × 2,768.44
  4. Step 4: Simplify right side
    5,239.14x = 21,730,426.83
  5. Step 5: Solve for x
    x = 21,730,426.83/5,239.14
  6. Step 6: Final answer
    x = 4,147.71

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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.