Home / 2,967.87-4,452.30-1,119.15

Finding the Fourth Proportional to 2,967.87, 4,452.30 and 1,119.15

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Solution

The fourth proportional to 2,967.87, 4,452.30 and 1,119.15 is: 1,678.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,967.87 : 4,452.30 = 1,119.15 : x
  2. Step 2: Convert to fraction form
    2,967.87/4,452.30 = 1,119.15/x
  3. Step 3: Cross multiply
    2,967.87x = 4,452.30 × 1,119.15
  4. Step 4: Simplify right side
    2,967.87x = 4,982,791.55
  5. Step 5: Solve for x
    x = 4,982,791.55/2,967.87
  6. Step 6: Final answer
    x = 1,678.91

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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.