Home / 7,172.36-10,754.62-2,240.68

Finding the Fourth Proportional to 7,172.36, 10,754.62 and 2,240.68

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Solution

The fourth proportional to 7,172.36, 10,754.62 and 2,240.68 is: 3,359.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,172.36 : 10,754.62 = 2,240.68 : x
  2. Step 2: Convert to fraction form
    7,172.36/10,754.62 = 2,240.68/x
  3. Step 3: Cross multiply
    7,172.36x = 10,754.62 × 2,240.68
  4. Step 4: Simplify right side
    7,172.36x = 24,097,661.94
  5. Step 5: Solve for x
    x = 24,097,661.94/7,172.36
  6. Step 6: Final answer
    x = 3,359.80

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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.