Home / 5,449.74-8,175.36-2,163.18

Finding the Fourth Proportional to 5,449.74, 8,175.36 and 2,163.18

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Solution

The fourth proportional to 5,449.74, 8,175.36 and 2,163.18 is: 3,245.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.74 : 8,175.36 = 2,163.18 : x
  2. Step 2: Convert to fraction form
    5,449.74/8,175.36 = 2,163.18/x
  3. Step 3: Cross multiply
    5,449.74x = 8,175.36 × 2,163.18
  4. Step 4: Simplify right side
    5,449.74x = 17,684,775.24
  5. Step 5: Solve for x
    x = 17,684,775.24/5,449.74
  6. Step 6: Final answer
    x = 3,245.07

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Double scale
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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.