Home / 5,476.75-8,213.19-2,188.96

Finding the Fourth Proportional to 5,476.75, 8,213.19 and 2,188.96

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Solution

The fourth proportional to 5,476.75, 8,213.19 and 2,188.96 is: 3,282.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.75 : 8,213.19 = 2,188.96 : x
  2. Step 2: Convert to fraction form
    5,476.75/8,213.19 = 2,188.96/x
  3. Step 3: Cross multiply
    5,476.75x = 8,213.19 × 2,188.96
  4. Step 4: Simplify right side
    5,476.75x = 17,978,344.38
  5. Step 5: Solve for x
    x = 17,978,344.38/5,476.75
  6. Step 6: Final answer
    x = 3,282.67

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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.