Home / 2,492.14-3,738.55-1,105.44

Finding the Fourth Proportional to 2,492.14, 3,738.55 and 1,105.44

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Solution

The fourth proportional to 2,492.14, 3,738.55 and 1,105.44 is: 1,658.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492.14 : 3,738.55 = 1,105.44 : x
  2. Step 2: Convert to fraction form
    2,492.14/3,738.55 = 1,105.44/x
  3. Step 3: Cross multiply
    2,492.14x = 3,738.55 × 1,105.44
  4. Step 4: Simplify right side
    2,492.14x = 4,132,737.18
  5. Step 5: Solve for x
    x = 4,132,737.18/2,492.14
  6. Step 6: Final answer
    x = 1,658.31

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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.