Home / 2,197.22-3,293.40-1,764.68

Finding the Fourth Proportional to 2,197.22, 3,293.40 and 1,764.68

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Solution

The fourth proportional to 2,197.22, 3,293.40 and 1,764.68 is: 2,645.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.22 : 3,293.40 = 1,764.68 : x
  2. Step 2: Convert to fraction form
    2,197.22/3,293.40 = 1,764.68/x
  3. Step 3: Cross multiply
    2,197.22x = 3,293.40 × 1,764.68
  4. Step 4: Simplify right side
    2,197.22x = 5,811,797.11
  5. Step 5: Solve for x
    x = 5,811,797.11/2,197.22
  6. Step 6: Final answer
    x = 2,645.07

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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.