Home / 5,231.22-7,849.38-2,309.16

Finding the Fourth Proportional to 5,231.22, 7,849.38 and 2,309.16

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Solution

The fourth proportional to 5,231.22, 7,849.38 and 2,309.16 is: 3,464.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.22 : 7,849.38 = 2,309.16 : x
  2. Step 2: Convert to fraction form
    5,231.22/7,849.38 = 2,309.16/x
  3. Step 3: Cross multiply
    5,231.22x = 7,849.38 × 2,309.16
  4. Step 4: Simplify right side
    5,231.22x = 18,125,474.32
  5. Step 5: Solve for x
    x = 18,125,474.32/5,231.22
  6. Step 6: Final answer
    x = 3,464.87

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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.