Home / 4,049.56-5,589.96-3,165.65

Finding the Fourth Proportional to 4,049.56, 5,589.96 and 3,165.65

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Solution

The fourth proportional to 4,049.56, 5,589.96 and 3,165.65 is: 4,369.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,049.56 : 5,589.96 = 3,165.65 : x
  2. Step 2: Convert to fraction form
    4,049.56/5,589.96 = 3,165.65/x
  3. Step 3: Cross multiply
    4,049.56x = 5,589.96 × 3,165.65
  4. Step 4: Simplify right side
    4,049.56x = 17,695,855.82
  5. Step 5: Solve for x
    x = 17,695,855.82/4,049.56
  6. Step 6: Final answer
    x = 4,369.82

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Half scale
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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.