Home / 3,234.16-4,850.40-925.12

Finding the Fourth Proportional to 3,234.16, 4,850.40 and 925.12

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Solution

The fourth proportional to 3,234.16, 4,850.40 and 925.12 is: 1,387.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,234.16 : 4,850.40 = 925.12 : x
  2. Step 2: Convert to fraction form
    3,234.16/4,850.40 = 925.12/x
  3. Step 3: Cross multiply
    3,234.16x = 4,850.40 × 925.12
  4. Step 4: Simplify right side
    3,234.16x = 4,487,202.05
  5. Step 5: Solve for x
    x = 4,487,202.05/3,234.16
  6. Step 6: Final answer
    x = 1,387.44

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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.