Home / 5,863.69-8,091.80-3,211.04

Finding the Fourth Proportional to 5,863.69, 8,091.80 and 3,211.04

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Solution

The fourth proportional to 5,863.69, 8,091.80 and 3,211.04 is: 4,431.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,863.69 : 8,091.80 = 3,211.04 : x
  2. Step 2: Convert to fraction form
    5,863.69/8,091.80 = 3,211.04/x
  3. Step 3: Cross multiply
    5,863.69x = 8,091.80 × 3,211.04
  4. Step 4: Simplify right side
    5,863.69x = 25,983,109.69
  5. Step 5: Solve for x
    x = 25,983,109.69/5,863.69
  6. Step 6: Final answer
    x = 4,431.19

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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.