Home / 3,481.24-5,219.42-3,153.20

Finding the Fourth Proportional to 3,481.24, 5,219.42 and 3,153.20

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Solution

The fourth proportional to 3,481.24, 5,219.42 and 3,153.20 is: 4,727.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.24 : 5,219.42 = 3,153.20 : x
  2. Step 2: Convert to fraction form
    3,481.24/5,219.42 = 3,153.20/x
  3. Step 3: Cross multiply
    3,481.24x = 5,219.42 × 3,153.20
  4. Step 4: Simplify right side
    3,481.24x = 16,457,875.14
  5. Step 5: Solve for x
    x = 16,457,875.14/3,481.24
  6. Step 6: Final answer
    x = 4,727.59

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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.