Home / 5,687.56-8,531.34-2,222.38

Finding the Fourth Proportional to 5,687.56, 8,531.34 and 2,222.38

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Solution

The fourth proportional to 5,687.56, 8,531.34 and 2,222.38 is: 3,333.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,687.56 : 8,531.34 = 2,222.38 : x
  2. Step 2: Convert to fraction form
    5,687.56/8,531.34 = 2,222.38/x
  3. Step 3: Cross multiply
    5,687.56x = 8,531.34 × 2,222.38
  4. Step 4: Simplify right side
    5,687.56x = 18,959,879.39
  5. Step 5: Solve for x
    x = 18,959,879.39/5,687.56
  6. Step 6: Final answer
    x = 3,333.57

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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.