Home / 3,826.92-5,742.58-2,162.36

Finding the Fourth Proportional to 3,826.92, 5,742.58 and 2,162.36

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Solution

The fourth proportional to 3,826.92, 5,742.58 and 2,162.36 is: 3,244.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826.92 : 5,742.58 = 2,162.36 : x
  2. Step 2: Convert to fraction form
    3,826.92/5,742.58 = 2,162.36/x
  3. Step 3: Cross multiply
    3,826.92x = 5,742.58 × 2,162.36
  4. Step 4: Simplify right side
    3,826.92x = 12,417,525.29
  5. Step 5: Solve for x
    x = 12,417,525.29/3,826.92
  6. Step 6: Final answer
    x = 3,244.78

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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.