Home / 7,072.16-10,608.24-2,141.79

Finding the Fourth Proportional to 7,072.16, 10,608.24 and 2,141.79

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Solution

The fourth proportional to 7,072.16, 10,608.24 and 2,141.79 is: 3,212.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072.16 : 10,608.24 = 2,141.79 : x
  2. Step 2: Convert to fraction form
    7,072.16/10,608.24 = 2,141.79/x
  3. Step 3: Cross multiply
    7,072.16x = 10,608.24 × 2,141.79
  4. Step 4: Simplify right side
    7,072.16x = 22,720,622.35
  5. Step 5: Solve for x
    x = 22,720,622.35/7,072.16
  6. Step 6: Final answer
    x = 3,212.69

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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.