Home / 5,162.22-7,742.34-3,307.68

Finding the Fourth Proportional to 5,162.22, 7,742.34 and 3,307.68

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Solution

The fourth proportional to 5,162.22, 7,742.34 and 3,307.68 is: 4,960.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162.22 : 7,742.34 = 3,307.68 : x
  2. Step 2: Convert to fraction form
    5,162.22/7,742.34 = 3,307.68/x
  3. Step 3: Cross multiply
    5,162.22x = 7,742.34 × 3,307.68
  4. Step 4: Simplify right side
    5,162.22x = 25,609,183.17
  5. Step 5: Solve for x
    x = 25,609,183.17/5,162.22
  6. Step 6: Final answer
    x = 4,960.89

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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.