Home / 1,722.26-2,584.92-1,135.62

Finding the Fourth Proportional to 1,722.26, 2,584.92 and 1,135.62

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Solution

The fourth proportional to 1,722.26, 2,584.92 and 1,135.62 is: 1,704.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722.26 : 2,584.92 = 1,135.62 : x
  2. Step 2: Convert to fraction form
    1,722.26/2,584.92 = 1,135.62/x
  3. Step 3: Cross multiply
    1,722.26x = 2,584.92 × 1,135.62
  4. Step 4: Simplify right side
    1,722.26x = 2,935,486.85
  5. Step 5: Solve for x
    x = 2,935,486.85/1,722.26
  6. Step 6: Final answer
    x = 1,704.44

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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.