Home / 5,436.05-8,144.96-3,245.41

Finding the Fourth Proportional to 5,436.05, 8,144.96 and 3,245.41

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Solution

The fourth proportional to 5,436.05, 8,144.96 and 3,245.41 is: 4,862.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.05 : 8,144.96 = 3,245.41 : x
  2. Step 2: Convert to fraction form
    5,436.05/8,144.96 = 3,245.41/x
  3. Step 3: Cross multiply
    5,436.05x = 8,144.96 × 3,245.41
  4. Step 4: Simplify right side
    5,436.05x = 26,433,722.38
  5. Step 5: Solve for x
    x = 26,433,722.38/5,436.05
  6. Step 6: Final answer
    x = 4,862.67

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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.