Home / 6,905.20-10,351.62-3,007.48

Finding the Fourth Proportional to 6,905.20, 10,351.62 and 3,007.48

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Solution

The fourth proportional to 6,905.20, 10,351.62 and 3,007.48 is: 4,508.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,905.20 : 10,351.62 = 3,007.48 : x
  2. Step 2: Convert to fraction form
    6,905.20/10,351.62 = 3,007.48/x
  3. Step 3: Cross multiply
    6,905.20x = 10,351.62 × 3,007.48
  4. Step 4: Simplify right side
    6,905.20x = 31,132,290.12
  5. Step 5: Solve for x
    x = 31,132,290.12/6,905.20
  6. Step 6: Final answer
    x = 4,508.53

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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.