Home / 5,531.90-8,297.57-2,068.88

Finding the Fourth Proportional to 5,531.90, 8,297.57 and 2,068.88

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Solution

The fourth proportional to 5,531.90, 8,297.57 and 2,068.88 is: 3,103.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.90 : 8,297.57 = 2,068.88 : x
  2. Step 2: Convert to fraction form
    5,531.90/8,297.57 = 2,068.88/x
  3. Step 3: Cross multiply
    5,531.90x = 8,297.57 × 2,068.88
  4. Step 4: Simplify right side
    5,531.90x = 17,166,640.31
  5. Step 5: Solve for x
    x = 17,166,640.31/5,531.90
  6. Step 6: Final answer
    x = 3,103.21

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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.