Home / 5,865.16-8,789.82-2,163.92

Finding the Fourth Proportional to 5,865.16, 8,789.82 and 2,163.92

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Solution

The fourth proportional to 5,865.16, 8,789.82 and 2,163.92 is: 3,242.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,865.16 : 8,789.82 = 2,163.92 : x
  2. Step 2: Convert to fraction form
    5,865.16/8,789.82 = 2,163.92/x
  3. Step 3: Cross multiply
    5,865.16x = 8,789.82 × 2,163.92
  4. Step 4: Simplify right side
    5,865.16x = 19,020,467.29
  5. Step 5: Solve for x
    x = 19,020,467.29/5,865.16
  6. Step 6: Final answer
    x = 3,242.96

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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.