Home / 2,792.88-4,189.68-1,492.56

Finding the Fourth Proportional to 2,792.88, 4,189.68 and 1,492.56

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Solution

The fourth proportional to 2,792.88, 4,189.68 and 1,492.56 is: 2,239.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.88 : 4,189.68 = 1,492.56 : x
  2. Step 2: Convert to fraction form
    2,792.88/4,189.68 = 1,492.56/x
  3. Step 3: Cross multiply
    2,792.88x = 4,189.68 × 1,492.56
  4. Step 4: Simplify right side
    2,792.88x = 6,253,348.78
  5. Step 5: Solve for x
    x = 6,253,348.78/2,792.88
  6. Step 6: Final answer
    x = 2,239.03

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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.