Home / 3,261.57-4,892.36-1,181.57

Finding the Fourth Proportional to 3,261.57, 4,892.36 and 1,181.57

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Solution

The fourth proportional to 3,261.57, 4,892.36 and 1,181.57 is: 1,772.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.57 : 4,892.36 = 1,181.57 : x
  2. Step 2: Convert to fraction form
    3,261.57/4,892.36 = 1,181.57/x
  3. Step 3: Cross multiply
    3,261.57x = 4,892.36 × 1,181.57
  4. Step 4: Simplify right side
    3,261.57x = 5,780,635.44
  5. Step 5: Solve for x
    x = 5,780,635.44/3,261.57
  6. Step 6: Final answer
    x = 1,772.35

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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.