Home / 3,343.20-5,006-2,686.48

Finding the Fourth Proportional to 3,343.20, 5,006 and 2,686.48

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Solution

The fourth proportional to 3,343.20, 5,006 and 2,686.48 is: 4,022.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,343.20 : 5,006 = 2,686.48 : x
  2. Step 2: Convert to fraction form
    3,343.20/5,006 = 2,686.48/x
  3. Step 3: Cross multiply
    3,343.20x = 5,006 × 2,686.48
  4. Step 4: Simplify right side
    3,343.20x = 13,448,518.88
  5. Step 5: Solve for x
    x = 13,448,518.88/3,343.20
  6. Step 6: Final answer
    x = 4,022.65

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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.