Home / 5,231.06-7,218.45-2,873.33

Finding the Fourth Proportional to 5,231.06, 7,218.45 and 2,873.33

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Solution

The fourth proportional to 5,231.06, 7,218.45 and 2,873.33 is: 3,964.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.06 : 7,218.45 = 2,873.33 : x
  2. Step 2: Convert to fraction form
    5,231.06/7,218.45 = 2,873.33/x
  3. Step 3: Cross multiply
    5,231.06x = 7,218.45 × 2,873.33
  4. Step 4: Simplify right side
    5,231.06x = 20,740,952.85
  5. Step 5: Solve for x
    x = 20,740,952.85/5,231.06
  6. Step 6: Final answer
    x = 3,964.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.