Home / 7,331.67-10,998.69-3,172.95

Finding the Fourth Proportional to 7,331.67, 10,998.69 and 3,172.95

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Solution

The fourth proportional to 7,331.67, 10,998.69 and 3,172.95 is: 4,759.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.67 : 10,998.69 = 3,172.95 : x
  2. Step 2: Convert to fraction form
    7,331.67/10,998.69 = 3,172.95/x
  3. Step 3: Cross multiply
    7,331.67x = 10,998.69 × 3,172.95
  4. Step 4: Simplify right side
    7,331.67x = 34,898,293.44
  5. Step 5: Solve for x
    x = 34,898,293.44/7,331.67
  6. Step 6: Final answer
    x = 4,759.94

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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.