Home / 3,492.20-5,238.30-1,183.72

Finding the Fourth Proportional to 3,492.20, 5,238.30 and 1,183.72

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Solution

The fourth proportional to 3,492.20, 5,238.30 and 1,183.72 is: 1,775.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,492.20 : 5,238.30 = 1,183.72 : x
  2. Step 2: Convert to fraction form
    3,492.20/5,238.30 = 1,183.72/x
  3. Step 3: Cross multiply
    3,492.20x = 5,238.30 × 1,183.72
  4. Step 4: Simplify right side
    3,492.20x = 6,200,680.48
  5. Step 5: Solve for x
    x = 6,200,680.48/3,492.20
  6. Step 6: Final answer
    x = 1,775.58

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1.5x scale

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.