Home / 5,231.09-7,218.23-2,873.18

Finding the Fourth Proportional to 5,231.09, 7,218.23 and 2,873.18

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Solution

The fourth proportional to 5,231.09, 7,218.23 and 2,873.18 is: 3,964.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.09 : 7,218.23 = 2,873.18 : x
  2. Step 2: Convert to fraction form
    5,231.09/7,218.23 = 2,873.18/x
  3. Step 3: Cross multiply
    5,231.09x = 7,218.23 × 2,873.18
  4. Step 4: Simplify right side
    5,231.09x = 20,739,223.61
  5. Step 5: Solve for x
    x = 20,739,223.61/5,231.09
  6. Step 6: Final answer
    x = 3,964.61

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