Home / 5,174.35-7,759.56-2,212.67

Finding the Fourth Proportional to 5,174.35, 7,759.56 and 2,212.67

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Solution

The fourth proportional to 5,174.35, 7,759.56 and 2,212.67 is: 3,318.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.35 : 7,759.56 = 2,212.67 : x
  2. Step 2: Convert to fraction form
    5,174.35/7,759.56 = 2,212.67/x
  3. Step 3: Cross multiply
    5,174.35x = 7,759.56 × 2,212.67
  4. Step 4: Simplify right side
    5,174.35x = 17,169,306.83
  5. Step 5: Solve for x
    x = 17,169,306.83/5,174.35
  6. Step 6: Final answer
    x = 3,318.16

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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.