Home / 2,722.72-3,755.80-1,674.04

Finding the Fourth Proportional to 2,722.72, 3,755.80 and 1,674.04

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Solution

The fourth proportional to 2,722.72, 3,755.80 and 1,674.04 is: 2,309.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.72 : 3,755.80 = 1,674.04 : x
  2. Step 2: Convert to fraction form
    2,722.72/3,755.80 = 1,674.04/x
  3. Step 3: Cross multiply
    2,722.72x = 3,755.80 × 1,674.04
  4. Step 4: Simplify right side
    2,722.72x = 6,287,359.43
  5. Step 5: Solve for x
    x = 6,287,359.43/2,722.72
  6. Step 6: Final answer
    x = 2,309.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.