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Finding the Fourth Proportional to 5,863.63, 8,091.81 and 3,379.63

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Solution

The fourth proportional to 5,863.63, 8,091.81 and 3,379.63 is: 4,663.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,863.63 : 8,091.81 = 3,379.63 : x
  2. Step 2: Convert to fraction form
    5,863.63/8,091.81 = 3,379.63/x
  3. Step 3: Cross multiply
    5,863.63x = 8,091.81 × 3,379.63
  4. Step 4: Simplify right side
    5,863.63x = 27,347,266.47
  5. Step 5: Solve for x
    x = 27,347,266.47/5,863.63
  6. Step 6: Final answer
    x = 4,663.88

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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.