Home / 4,105.75-6,159.60-1,332.43

Finding the Fourth Proportional to 4,105.75, 6,159.60 and 1,332.43

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Solution

The fourth proportional to 4,105.75, 6,159.60 and 1,332.43 is: 1,998.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,105.75 : 6,159.60 = 1,332.43 : x
  2. Step 2: Convert to fraction form
    4,105.75/6,159.60 = 1,332.43/x
  3. Step 3: Cross multiply
    4,105.75x = 6,159.60 × 1,332.43
  4. Step 4: Simplify right side
    4,105.75x = 8,207,235.83
  5. Step 5: Solve for x
    x = 8,207,235.83/4,105.75
  6. Step 6: Final answer
    x = 1,998.96

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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.