Home / 3,968.73-5,482.22-2,962.71

Finding the Fourth Proportional to 3,968.73, 5,482.22 and 2,962.71

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Solution

The fourth proportional to 3,968.73, 5,482.22 and 2,962.71 is: 4,092.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.73 : 5,482.22 = 2,962.71 : x
  2. Step 2: Convert to fraction form
    3,968.73/5,482.22 = 2,962.71/x
  3. Step 3: Cross multiply
    3,968.73x = 5,482.22 × 2,962.71
  4. Step 4: Simplify right side
    3,968.73x = 16,242,213.20
  5. Step 5: Solve for x
    x = 16,242,213.20/3,968.73
  6. Step 6: Final answer
    x = 4,092.55

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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.