Home / 7,202.76-10,805.60-3,042.78

Finding the Fourth Proportional to 7,202.76, 10,805.60 and 3,042.78

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Solution

The fourth proportional to 7,202.76, 10,805.60 and 3,042.78 is: 4,564.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,202.76 : 10,805.60 = 3,042.78 : x
  2. Step 2: Convert to fraction form
    7,202.76/10,805.60 = 3,042.78/x
  3. Step 3: Cross multiply
    7,202.76x = 10,805.60 × 3,042.78
  4. Step 4: Simplify right side
    7,202.76x = 32,879,063.57
  5. Step 5: Solve for x
    x = 32,879,063.57/7,202.76
  6. Step 6: Final answer
    x = 4,564.79

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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.