Home / 2,207.35-3,311.04-746.53

Finding the Fourth Proportional to 2,207.35, 3,311.04 and 746.53

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Solution

The fourth proportional to 2,207.35, 3,311.04 and 746.53 is: 1,119.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.35 : 3,311.04 = 746.53 : x
  2. Step 2: Convert to fraction form
    2,207.35/3,311.04 = 746.53/x
  3. Step 3: Cross multiply
    2,207.35x = 3,311.04 × 746.53
  4. Step 4: Simplify right side
    2,207.35x = 2,471,790.69
  5. Step 5: Solve for x
    x = 2,471,790.69/2,207.35
  6. Step 6: Final answer
    x = 1,119.80

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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.