Home / 5,469.16-8,204.30-2,181.80

Finding the Fourth Proportional to 5,469.16, 8,204.30 and 2,181.80

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Solution

The fourth proportional to 5,469.16, 8,204.30 and 2,181.80 is: 3,272.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,469.16 : 8,204.30 = 2,181.80 : x
  2. Step 2: Convert to fraction form
    5,469.16/8,204.30 = 2,181.80/x
  3. Step 3: Cross multiply
    5,469.16x = 8,204.30 × 2,181.80
  4. Step 4: Simplify right side
    5,469.16x = 17,900,141.74
  5. Step 5: Solve for x
    x = 17,900,141.74/5,469.16
  6. Step 6: Final answer
    x = 3,272.92

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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.