Home / 5,491.17-8,230.85-2,372.64

Finding the Fourth Proportional to 5,491.17, 8,230.85 and 2,372.64

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Solution

The fourth proportional to 5,491.17, 8,230.85 and 2,372.64 is: 3,556.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.17 : 8,230.85 = 2,372.64 : x
  2. Step 2: Convert to fraction form
    5,491.17/8,230.85 = 2,372.64/x
  3. Step 3: Cross multiply
    5,491.17x = 8,230.85 × 2,372.64
  4. Step 4: Simplify right side
    5,491.17x = 19,528,843.94
  5. Step 5: Solve for x
    x = 19,528,843.94/5,491.17
  6. Step 6: Final answer
    x = 3,556.41

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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.