Home / 5,172.42-7,758.93-1,474.36

Finding the Fourth Proportional to 5,172.42, 7,758.93 and 1,474.36

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Solution

The fourth proportional to 5,172.42, 7,758.93 and 1,474.36 is: 2,211.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172.42 : 7,758.93 = 1,474.36 : x
  2. Step 2: Convert to fraction form
    5,172.42/7,758.93 = 1,474.36/x
  3. Step 3: Cross multiply
    5,172.42x = 7,758.93 × 1,474.36
  4. Step 4: Simplify right side
    5,172.42x = 11,439,486.35
  5. Step 5: Solve for x
    x = 11,439,486.35/5,172.42
  6. Step 6: Final answer
    x = 2,211.63

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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.