Home / 3,793.80-5,234.58-2,221.14

Finding the Fourth Proportional to 3,793.80, 5,234.58 and 2,221.14

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Solution

The fourth proportional to 3,793.80, 5,234.58 and 2,221.14 is: 3,064.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,793.80 : 5,234.58 = 2,221.14 : x
  2. Step 2: Convert to fraction form
    3,793.80/5,234.58 = 2,221.14/x
  3. Step 3: Cross multiply
    3,793.80x = 5,234.58 × 2,221.14
  4. Step 4: Simplify right side
    3,793.80x = 11,626,735.02
  5. Step 5: Solve for x
    x = 11,626,735.02/3,793.80
  6. Step 6: Final answer
    x = 3,064.67

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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.