Home / 2,967.36-4,452.75-1,212.09

Finding the Fourth Proportional to 2,967.36, 4,452.75 and 1,212.09

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Solution

The fourth proportional to 2,967.36, 4,452.75 and 1,212.09 is: 1,818.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,967.36 : 4,452.75 = 1,212.09 : x
  2. Step 2: Convert to fraction form
    2,967.36/4,452.75 = 1,212.09/x
  3. Step 3: Cross multiply
    2,967.36x = 4,452.75 × 1,212.09
  4. Step 4: Simplify right side
    2,967.36x = 5,397,133.75
  5. Step 5: Solve for x
    x = 5,397,133.75/2,967.36
  6. Step 6: Final answer
    x = 1,818.83

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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.