Home / 3,936.28-5,431.60-2,234.67

Finding the Fourth Proportional to 3,936.28, 5,431.60 and 2,234.67

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Solution

The fourth proportional to 3,936.28, 5,431.60 and 2,234.67 is: 3,083.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.28 : 5,431.60 = 2,234.67 : x
  2. Step 2: Convert to fraction form
    3,936.28/5,431.60 = 2,234.67/x
  3. Step 3: Cross multiply
    3,936.28x = 5,431.60 × 2,234.67
  4. Step 4: Simplify right side
    3,936.28x = 12,137,836.37
  5. Step 5: Solve for x
    x = 12,137,836.37/3,936.28
  6. Step 6: Final answer
    x = 3,083.58

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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.