Home / 5,231.75-7,846.93-2,309.37

Finding the Fourth Proportional to 5,231.75, 7,846.93 and 2,309.37

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Solution

The fourth proportional to 5,231.75, 7,846.93 and 2,309.37 is: 3,463.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.75 : 7,846.93 = 2,309.37 : x
  2. Step 2: Convert to fraction form
    5,231.75/7,846.93 = 2,309.37/x
  3. Step 3: Cross multiply
    5,231.75x = 7,846.93 × 2,309.37
  4. Step 4: Simplify right side
    5,231.75x = 18,121,464.73
  5. Step 5: Solve for x
    x = 18,121,464.73/5,231.75
  6. Step 6: Final answer
    x = 3,463.75

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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.