Home / 5,306.96-7,949.50-3,109.03

Finding the Fourth Proportional to 5,306.96, 7,949.50 and 3,109.03

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Solution

The fourth proportional to 5,306.96, 7,949.50 and 3,109.03 is: 4,657.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,306.96 : 7,949.50 = 3,109.03 : x
  2. Step 2: Convert to fraction form
    5,306.96/7,949.50 = 3,109.03/x
  3. Step 3: Cross multiply
    5,306.96x = 7,949.50 × 3,109.03
  4. Step 4: Simplify right side
    5,306.96x = 24,715,206.34
  5. Step 5: Solve for x
    x = 24,715,206.34/5,306.96
  6. Step 6: Final answer
    x = 4,657.13

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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.