Home / 5,912.29-8,871.87-2,217.09

Finding the Fourth Proportional to 5,912.29, 8,871.87 and 2,217.09

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Solution

The fourth proportional to 5,912.29, 8,871.87 and 2,217.09 is: 3,326.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.29 : 8,871.87 = 2,217.09 : x
  2. Step 2: Convert to fraction form
    5,912.29/8,871.87 = 2,217.09/x
  3. Step 3: Cross multiply
    5,912.29x = 8,871.87 × 2,217.09
  4. Step 4: Simplify right side
    5,912.29x = 19,669,775.84
  5. Step 5: Solve for x
    x = 19,669,775.84/5,912.29
  6. Step 6: Final answer
    x = 3,326.93

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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.