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Finding the Fourth Proportional to 3,261.48, 4,892.28 and 796.32

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Solution

The fourth proportional to 3,261.48, 4,892.28 and 796.32 is: 1,194.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.48 : 4,892.28 = 796.32 : x
  2. Step 2: Convert to fraction form
    3,261.48/4,892.28 = 796.32/x
  3. Step 3: Cross multiply
    3,261.48x = 4,892.28 × 796.32
  4. Step 4: Simplify right side
    3,261.48x = 3,895,820.41
  5. Step 5: Solve for x
    x = 3,895,820.41/3,261.48
  6. Step 6: Final answer
    x = 1,194.49

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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.