Home / 5,173.38-7,758.81-1,474.56

Finding the Fourth Proportional to 5,173.38, 7,758.81 and 1,474.56

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Solution

The fourth proportional to 5,173.38, 7,758.81 and 1,474.56 is: 2,211.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.38 : 7,758.81 = 1,474.56 : x
  2. Step 2: Convert to fraction form
    5,173.38/7,758.81 = 1,474.56/x
  3. Step 3: Cross multiply
    5,173.38x = 7,758.81 × 1,474.56
  4. Step 4: Simplify right side
    5,173.38x = 11,440,830.87
  5. Step 5: Solve for x
    x = 11,440,830.87/5,173.38
  6. Step 6: Final answer
    x = 2,211.48

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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.