Home / 5,843.58-8,761.05-2,143.86

Finding the Fourth Proportional to 5,843.58, 8,761.05 and 2,143.86

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Solution

The fourth proportional to 5,843.58, 8,761.05 and 2,143.86 is: 3,214.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,843.58 : 8,761.05 = 2,143.86 : x
  2. Step 2: Convert to fraction form
    5,843.58/8,761.05 = 2,143.86/x
  3. Step 3: Cross multiply
    5,843.58x = 8,761.05 × 2,143.86
  4. Step 4: Simplify right side
    5,843.58x = 18,782,464.65
  5. Step 5: Solve for x
    x = 18,782,464.65/5,843.58
  6. Step 6: Final answer
    x = 3,214.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.