Home / 1,722.35-2,584.70-1,136.09

Finding the Fourth Proportional to 1,722.35, 2,584.70 and 1,136.09

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Solution

The fourth proportional to 1,722.35, 2,584.70 and 1,136.09 is: 1,704.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722.35 : 2,584.70 = 1,136.09 : x
  2. Step 2: Convert to fraction form
    1,722.35/2,584.70 = 1,136.09/x
  3. Step 3: Cross multiply
    1,722.35x = 2,584.70 × 1,136.09
  4. Step 4: Simplify right side
    1,722.35x = 2,936,451.82
  5. Step 5: Solve for x
    x = 2,936,451.82/1,722.35
  6. Step 6: Final answer
    x = 1,704.91

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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.