Home / 5,172.55-7,760.03-1,474.83

Finding the Fourth Proportional to 5,172.55, 7,760.03 and 1,474.83

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Solution

The fourth proportional to 5,172.55, 7,760.03 and 1,474.83 is: 2,212.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172.55 : 7,760.03 = 1,474.83 : x
  2. Step 2: Convert to fraction form
    5,172.55/7,760.03 = 1,474.83/x
  3. Step 3: Cross multiply
    5,172.55x = 7,760.03 × 1,474.83
  4. Step 4: Simplify right side
    5,172.55x = 11,444,709.33
  5. Step 5: Solve for x
    x = 11,444,709.33/5,172.55
  6. Step 6: Final answer
    x = 2,212.59

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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.