Home / 2,512.24-3,767.95-757.51

Finding the Fourth Proportional to 2,512.24, 3,767.95 and 757.51

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Solution

The fourth proportional to 2,512.24, 3,767.95 and 757.51 is: 1,136.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,512.24 : 3,767.95 = 757.51 : x
  2. Step 2: Convert to fraction form
    2,512.24/3,767.95 = 757.51/x
  3. Step 3: Cross multiply
    2,512.24x = 3,767.95 × 757.51
  4. Step 4: Simplify right side
    2,512.24x = 2,854,259.80
  5. Step 5: Solve for x
    x = 2,854,259.80/2,512.24
  6. Step 6: Final answer
    x = 1,136.14

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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.