Home / 5,820.86-8,728.97-2,531.66

Finding the Fourth Proportional to 5,820.86, 8,728.97 and 2,531.66

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Solution

The fourth proportional to 5,820.86, 8,728.97 and 2,531.66 is: 3,796.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,820.86 : 8,728.97 = 2,531.66 : x
  2. Step 2: Convert to fraction form
    5,820.86/8,728.97 = 2,531.66/x
  3. Step 3: Cross multiply
    5,820.86x = 8,728.97 × 2,531.66
  4. Step 4: Simplify right side
    5,820.86x = 22,098,727.89
  5. Step 5: Solve for x
    x = 22,098,727.89/5,820.86
  6. Step 6: Final answer
    x = 3,796.47

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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.