Home / 2,122.89-3,184.77-736.04

Finding the Fourth Proportional to 2,122.89, 3,184.77 and 736.04

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Solution

The fourth proportional to 2,122.89, 3,184.77 and 736.04 is: 1,104.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122.89 : 3,184.77 = 736.04 : x
  2. Step 2: Convert to fraction form
    2,122.89/3,184.77 = 736.04/x
  3. Step 3: Cross multiply
    2,122.89x = 3,184.77 × 736.04
  4. Step 4: Simplify right side
    2,122.89x = 2,344,106.78
  5. Step 5: Solve for x
    x = 2,344,106.78/2,122.89
  6. Step 6: Final answer
    x = 1,104.20

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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.