Home / 2,167.23-3,249.38-850.16

Finding the Fourth Proportional to 2,167.23, 3,249.38 and 850.16

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Solution

The fourth proportional to 2,167.23, 3,249.38 and 850.16 is: 1,274.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167.23 : 3,249.38 = 850.16 : x
  2. Step 2: Convert to fraction form
    2,167.23/3,249.38 = 850.16/x
  3. Step 3: Cross multiply
    2,167.23x = 3,249.38 × 850.16
  4. Step 4: Simplify right side
    2,167.23x = 2,762,503.15
  5. Step 5: Solve for x
    x = 2,762,503.15/2,167.23
  6. Step 6: Final answer
    x = 1,274.67

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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.