Home / 3,819.32-5,270.68-2,492.24

Finding the Fourth Proportional to 3,819.32, 5,270.68 and 2,492.24

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Solution

The fourth proportional to 3,819.32, 5,270.68 and 2,492.24 is: 3,439.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.32 : 5,270.68 = 2,492.24 : x
  2. Step 2: Convert to fraction form
    3,819.32/5,270.68 = 2,492.24/x
  3. Step 3: Cross multiply
    3,819.32x = 5,270.68 × 2,492.24
  4. Step 4: Simplify right side
    3,819.32x = 13,135,799.52
  5. Step 5: Solve for x
    x = 13,135,799.52/3,819.32
  6. Step 6: Final answer
    x = 3,439.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.