Home / 5,928.94-8,181.96-3,240.21

Finding the Fourth Proportional to 5,928.94, 8,181.96 and 3,240.21

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Solution

The fourth proportional to 5,928.94, 8,181.96 and 3,240.21 is: 4,471.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,928.94 : 8,181.96 = 3,240.21 : x
  2. Step 2: Convert to fraction form
    5,928.94/8,181.96 = 3,240.21/x
  3. Step 3: Cross multiply
    5,928.94x = 8,181.96 × 3,240.21
  4. Step 4: Simplify right side
    5,928.94x = 26,511,311.44
  5. Step 5: Solve for x
    x = 26,511,311.44/5,928.94
  6. Step 6: Final answer
    x = 4,471.51

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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.