Home / 3,212.44-4,815.76-1,159.96

Finding the Fourth Proportional to 3,212.44, 4,815.76 and 1,159.96

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Solution

The fourth proportional to 3,212.44, 4,815.76 and 1,159.96 is: 1,738.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.44 : 4,815.76 = 1,159.96 : x
  2. Step 2: Convert to fraction form
    3,212.44/4,815.76 = 1,159.96/x
  3. Step 3: Cross multiply
    3,212.44x = 4,815.76 × 1,159.96
  4. Step 4: Simplify right side
    3,212.44x = 5,586,088.97
  5. Step 5: Solve for x
    x = 5,586,088.97/3,212.44
  6. Step 6: Final answer
    x = 1,738.89

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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.