Home / 4,917.20-7,369.80-3,357.20

Finding the Fourth Proportional to 4,917.20, 7,369.80 and 3,357.20

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Solution

The fourth proportional to 4,917.20, 7,369.80 and 3,357.20 is: 5,031.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.20 : 7,369.80 = 3,357.20 : x
  2. Step 2: Convert to fraction form
    4,917.20/7,369.80 = 3,357.20/x
  3. Step 3: Cross multiply
    4,917.20x = 7,369.80 × 3,357.20
  4. Step 4: Simplify right side
    4,917.20x = 24,741,892.56
  5. Step 5: Solve for x
    x = 24,741,892.56/4,917.20
  6. Step 6: Final answer
    x = 5,031.70

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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.