Home / 5,687.16-8,531.46-2,223.96

Finding the Fourth Proportional to 5,687.16, 8,531.46 and 2,223.96

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Solution

The fourth proportional to 5,687.16, 8,531.46 and 2,223.96 is: 3,336.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,687.16 : 8,531.46 = 2,223.96 : x
  2. Step 2: Convert to fraction form
    5,687.16/8,531.46 = 2,223.96/x
  3. Step 3: Cross multiply
    5,687.16x = 8,531.46 × 2,223.96
  4. Step 4: Simplify right side
    5,687.16x = 18,973,625.78
  5. Step 5: Solve for x
    x = 18,973,625.78/5,687.16
  6. Step 6: Final answer
    x = 3,336.22

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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.