Home / 5,172.03-7,758.08-1,474.25

Finding the Fourth Proportional to 5,172.03, 7,758.08 and 1,474.25

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Solution

The fourth proportional to 5,172.03, 7,758.08 and 1,474.25 is: 2,211.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172.03 : 7,758.08 = 1,474.25 : x
  2. Step 2: Convert to fraction form
    5,172.03/7,758.08 = 1,474.25/x
  3. Step 3: Cross multiply
    5,172.03x = 7,758.08 × 1,474.25
  4. Step 4: Simplify right side
    5,172.03x = 11,437,349.44
  5. Step 5: Solve for x
    x = 11,437,349.44/5,172.03
  6. Step 6: Final answer
    x = 2,211.38

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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.