Home / 5,781.89-8,670.66-2,083.16

Finding the Fourth Proportional to 5,781.89, 8,670.66 and 2,083.16

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Solution

The fourth proportional to 5,781.89, 8,670.66 and 2,083.16 is: 3,123.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,781.89 : 8,670.66 = 2,083.16 : x
  2. Step 2: Convert to fraction form
    5,781.89/8,670.66 = 2,083.16/x
  3. Step 3: Cross multiply
    5,781.89x = 8,670.66 × 2,083.16
  4. Step 4: Simplify right side
    5,781.89x = 18,062,328.73
  5. Step 5: Solve for x
    x = 18,062,328.73/5,781.89
  6. Step 6: Final answer
    x = 3,123.95

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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.