Home / 5,491.98-8,240.67-2,207.43

Finding the Fourth Proportional to 5,491.98, 8,240.67 and 2,207.43

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Solution

The fourth proportional to 5,491.98, 8,240.67 and 2,207.43 is: 3,312.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.98 : 8,240.67 = 2,207.43 : x
  2. Step 2: Convert to fraction form
    5,491.98/8,240.67 = 2,207.43/x
  3. Step 3: Cross multiply
    5,491.98x = 8,240.67 × 2,207.43
  4. Step 4: Simplify right side
    5,491.98x = 18,190,702.18
  5. Step 5: Solve for x
    x = 18,190,702.18/5,491.98
  6. Step 6: Final answer
    x = 3,312.23

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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.