Home / 7,172.44-10,758.62-2,792.96

Finding the Fourth Proportional to 7,172.44, 10,758.62 and 2,792.96

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Solution

The fourth proportional to 7,172.44, 10,758.62 and 2,792.96 is: 4,189.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,172.44 : 10,758.62 = 2,792.96 : x
  2. Step 2: Convert to fraction form
    7,172.44/10,758.62 = 2,792.96/x
  3. Step 3: Cross multiply
    7,172.44x = 10,758.62 × 2,792.96
  4. Step 4: Simplify right side
    7,172.44x = 30,048,395.32
  5. Step 5: Solve for x
    x = 30,048,395.32/7,172.44
  6. Step 6: Final answer
    x = 4,189.42

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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.