Home / 6,929.30-10,395.36-2,546.78

Finding the Fourth Proportional to 6,929.30, 10,395.36 and 2,546.78

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Solution

The fourth proportional to 6,929.30, 10,395.36 and 2,546.78 is: 3,820.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,929.30 : 10,395.36 = 2,546.78 : x
  2. Step 2: Convert to fraction form
    6,929.30/10,395.36 = 2,546.78/x
  3. Step 3: Cross multiply
    6,929.30x = 10,395.36 × 2,546.78
  4. Step 4: Simplify right side
    6,929.30x = 26,474,694.94
  5. Step 5: Solve for x
    x = 26,474,694.94/6,929.30
  6. Step 6: Final answer
    x = 3,820.69

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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.