Home / 5,311.30-7,968.01-2,974.62

Finding the Fourth Proportional to 5,311.30, 7,968.01 and 2,974.62

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Solution

The fourth proportional to 5,311.30, 7,968.01 and 2,974.62 is: 4,462.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,311.30 : 7,968.01 = 2,974.62 : x
  2. Step 2: Convert to fraction form
    5,311.30/7,968.01 = 2,974.62/x
  3. Step 3: Cross multiply
    5,311.30x = 7,968.01 × 2,974.62
  4. Step 4: Simplify right side
    5,311.30x = 23,701,794.47
  5. Step 5: Solve for x
    x = 23,701,794.47/5,311.30
  6. Step 6: Final answer
    x = 4,462.52

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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.