Home / 3,651.16-5,481.45-3,134.49

Finding the Fourth Proportional to 3,651.16, 5,481.45 and 3,134.49

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Solution

The fourth proportional to 3,651.16, 5,481.45 and 3,134.49 is: 4,705.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.16 : 5,481.45 = 3,134.49 : x
  2. Step 2: Convert to fraction form
    3,651.16/5,481.45 = 3,134.49/x
  3. Step 3: Cross multiply
    3,651.16x = 5,481.45 × 3,134.49
  4. Step 4: Simplify right side
    3,651.16x = 17,181,534.56
  5. Step 5: Solve for x
    x = 17,181,534.56/3,651.16
  6. Step 6: Final answer
    x = 4,705.77

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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.