Home / 4,180.96-5,769.72-2,317.96

Finding the Fourth Proportional to 4,180.96, 5,769.72 and 2,317.96

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Solution

The fourth proportional to 4,180.96, 5,769.72 and 2,317.96 is: 3,198.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.96 : 5,769.72 = 2,317.96 : x
  2. Step 2: Convert to fraction form
    4,180.96/5,769.72 = 2,317.96/x
  3. Step 3: Cross multiply
    4,180.96x = 5,769.72 × 2,317.96
  4. Step 4: Simplify right side
    4,180.96x = 13,373,980.17
  5. Step 5: Solve for x
    x = 13,373,980.17/4,180.96
  6. Step 6: Final answer
    x = 3,198.78

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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.