Home / 4,105.70-6,159.44-1,332.65

Finding the Fourth Proportional to 4,105.70, 6,159.44 and 1,332.65

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Solution

The fourth proportional to 4,105.70, 6,159.44 and 1,332.65 is: 1,999.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,105.70 : 6,159.44 = 1,332.65 : x
  2. Step 2: Convert to fraction form
    4,105.70/6,159.44 = 1,332.65/x
  3. Step 3: Cross multiply
    4,105.70x = 6,159.44 × 1,332.65
  4. Step 4: Simplify right side
    4,105.70x = 8,208,350.25
  5. Step 5: Solve for x
    x = 8,208,350.25/4,105.70
  6. Step 6: Final answer
    x = 1,999.26

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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.