Home / 5,171.88-7,758.07-1,474.37

Finding the Fourth Proportional to 5,171.88, 7,758.07 and 1,474.37

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Solution

The fourth proportional to 5,171.88, 7,758.07 and 1,474.37 is: 2,211.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171.88 : 7,758.07 = 1,474.37 : x
  2. Step 2: Convert to fraction form
    5,171.88/7,758.07 = 1,474.37/x
  3. Step 3: Cross multiply
    5,171.88x = 7,758.07 × 1,474.37
  4. Step 4: Simplify right side
    5,171.88x = 11,438,265.67
  5. Step 5: Solve for x
    x = 11,438,265.67/5,171.88
  6. Step 6: Final answer
    x = 2,211.63

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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.