Home / 5,249.38-7,874.06-1,353.78

Finding the Fourth Proportional to 5,249.38, 7,874.06 and 1,353.78

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Solution

The fourth proportional to 5,249.38, 7,874.06 and 1,353.78 is: 2,030.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,249.38 : 7,874.06 = 1,353.78 : x
  2. Step 2: Convert to fraction form
    5,249.38/7,874.06 = 1,353.78/x
  3. Step 3: Cross multiply
    5,249.38x = 7,874.06 × 1,353.78
  4. Step 4: Simplify right side
    5,249.38x = 10,659,744.95
  5. Step 5: Solve for x
    x = 10,659,744.95/5,249.38
  6. Step 6: Final answer
    x = 2,030.67

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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.