Home / 5,681.33-8,520.66-2,170.04

Finding the Fourth Proportional to 5,681.33, 8,520.66 and 2,170.04

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Solution

The fourth proportional to 5,681.33, 8,520.66 and 2,170.04 is: 3,254.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,681.33 : 8,520.66 = 2,170.04 : x
  2. Step 2: Convert to fraction form
    5,681.33/8,520.66 = 2,170.04/x
  3. Step 3: Cross multiply
    5,681.33x = 8,520.66 × 2,170.04
  4. Step 4: Simplify right side
    5,681.33x = 18,490,194.33
  5. Step 5: Solve for x
    x = 18,490,194.33/5,681.33
  6. Step 6: Final answer
    x = 3,254.56

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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.