Home / 5,781.59-8,670.33-2,082.83

Finding the Fourth Proportional to 5,781.59, 8,670.33 and 2,082.83

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Solution

The fourth proportional to 5,781.59, 8,670.33 and 2,082.83 is: 3,123.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,781.59 : 8,670.33 = 2,082.83 : x
  2. Step 2: Convert to fraction form
    5,781.59/8,670.33 = 2,082.83/x
  3. Step 3: Cross multiply
    5,781.59x = 8,670.33 × 2,082.83
  4. Step 4: Simplify right side
    5,781.59x = 18,058,823.43
  5. Step 5: Solve for x
    x = 18,058,823.43/5,781.59
  6. Step 6: Final answer
    x = 3,123.50

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1.5x scale

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.