Home / 5,175.75-7,756.62-2,832.21

Finding the Fourth Proportional to 5,175.75, 7,756.62 and 2,832.21

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Solution

The fourth proportional to 5,175.75, 7,756.62 and 2,832.21 is: 4,244.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.75 : 7,756.62 = 2,832.21 : x
  2. Step 2: Convert to fraction form
    5,175.75/7,756.62 = 2,832.21/x
  3. Step 3: Cross multiply
    5,175.75x = 7,756.62 × 2,832.21
  4. Step 4: Simplify right side
    5,175.75x = 21,968,376.73
  5. Step 5: Solve for x
    x = 21,968,376.73/5,175.75
  6. Step 6: Final answer
    x = 4,244.48

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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.