Home / 5,863.66-8,091.78-3,211.01

Finding the Fourth Proportional to 5,863.66, 8,091.78 and 3,211.01

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Solution

The fourth proportional to 5,863.66, 8,091.78 and 3,211.01 is: 4,431.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,863.66 : 8,091.78 = 3,211.01 : x
  2. Step 2: Convert to fraction form
    5,863.66/8,091.78 = 3,211.01/x
  3. Step 3: Cross multiply
    5,863.66x = 8,091.78 × 3,211.01
  4. Step 4: Simplify right side
    5,863.66x = 25,982,786.50
  5. Step 5: Solve for x
    x = 25,982,786.50/5,863.66
  6. Step 6: Final answer
    x = 4,431.16

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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.