Home / 2,492.52-3,738.70-1,124.52

Finding the Fourth Proportional to 2,492.52, 3,738.70 and 1,124.52

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Solution

The fourth proportional to 2,492.52, 3,738.70 and 1,124.52 is: 1,686.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492.52 : 3,738.70 = 1,124.52 : x
  2. Step 2: Convert to fraction form
    2,492.52/3,738.70 = 1,124.52/x
  3. Step 3: Cross multiply
    2,492.52x = 3,738.70 × 1,124.52
  4. Step 4: Simplify right side
    2,492.52x = 4,204,242.92
  5. Step 5: Solve for x
    x = 4,204,242.92/2,492.52
  6. Step 6: Final answer
    x = 1,686.74

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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.