Home / 3,949.24-5,922.59-2,099.30

Finding the Fourth Proportional to 3,949.24, 5,922.59 and 2,099.30

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Solution

The fourth proportional to 3,949.24, 5,922.59 and 2,099.30 is: 3,148.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.24 : 5,922.59 = 2,099.30 : x
  2. Step 2: Convert to fraction form
    3,949.24/5,922.59 = 2,099.30/x
  3. Step 3: Cross multiply
    3,949.24x = 5,922.59 × 2,099.30
  4. Step 4: Simplify right side
    3,949.24x = 12,433,293.19
  5. Step 5: Solve for x
    x = 12,433,293.19/3,949.24
  6. Step 6: Final answer
    x = 3,148.27

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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.