Home / 5,863.13-8,091.12-3,210.71

Finding the Fourth Proportional to 5,863.13, 8,091.12 and 3,210.71

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Solution

The fourth proportional to 5,863.13, 8,091.12 and 3,210.71 is: 4,430.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,863.13 : 8,091.12 = 3,210.71 : x
  2. Step 2: Convert to fraction form
    5,863.13/8,091.12 = 3,210.71/x
  3. Step 3: Cross multiply
    5,863.13x = 8,091.12 × 3,210.71
  4. Step 4: Simplify right side
    5,863.13x = 25,978,239.90
  5. Step 5: Solve for x
    x = 25,978,239.90/5,863.13
  6. Step 6: Final answer
    x = 4,430.78

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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.