Home / 5,586.74-8,380.50-1,691.44

Finding the Fourth Proportional to 5,586.74, 8,380.50 and 1,691.44

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Solution

The fourth proportional to 5,586.74, 8,380.50 and 1,691.44 is: 2,537.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,586.74 : 8,380.50 = 1,691.44 : x
  2. Step 2: Convert to fraction form
    5,586.74/8,380.50 = 1,691.44/x
  3. Step 3: Cross multiply
    5,586.74x = 8,380.50 × 1,691.44
  4. Step 4: Simplify right side
    5,586.74x = 14,175,112.92
  5. Step 5: Solve for x
    x = 14,175,112.92/5,586.74
  6. Step 6: Final answer
    x = 2,537.28

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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.