Home / 5,863.62-8,091.90-3,211.18

Finding the Fourth Proportional to 5,863.62, 8,091.90 and 3,211.18

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Solution

The fourth proportional to 5,863.62, 8,091.90 and 3,211.18 is: 4,431.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,863.62 : 8,091.90 = 3,211.18 : x
  2. Step 2: Convert to fraction form
    5,863.62/8,091.90 = 3,211.18/x
  3. Step 3: Cross multiply
    5,863.62x = 8,091.90 × 3,211.18
  4. Step 4: Simplify right side
    5,863.62x = 25,984,527.21
  5. Step 5: Solve for x
    x = 25,984,527.21/5,863.62
  6. Step 6: Final answer
    x = 4,431.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.