Home / 5,917.90-8,868.96-2,216.38

Finding the Fourth Proportional to 5,917.90, 8,868.96 and 2,216.38

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Solution

The fourth proportional to 5,917.90, 8,868.96 and 2,216.38 is: 3,321.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,917.90 : 8,868.96 = 2,216.38 : x
  2. Step 2: Convert to fraction form
    5,917.90/8,868.96 = 2,216.38/x
  3. Step 3: Cross multiply
    5,917.90x = 8,868.96 × 2,216.38
  4. Step 4: Simplify right side
    5,917.90x = 19,656,985.56
  5. Step 5: Solve for x
    x = 19,656,985.56/5,917.90
  6. Step 6: Final answer
    x = 3,321.62

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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.