Home / 7,208.28-10,812.42-2,013.48

Finding the Fourth Proportional to 7,208.28, 10,812.42 and 2,013.48

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Solution

The fourth proportional to 7,208.28, 10,812.42 and 2,013.48 is: 3,020.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208.28 : 10,812.42 = 2,013.48 : x
  2. Step 2: Convert to fraction form
    7,208.28/10,812.42 = 2,013.48/x
  3. Step 3: Cross multiply
    7,208.28x = 10,812.42 × 2,013.48
  4. Step 4: Simplify right side
    7,208.28x = 21,770,591.42
  5. Step 5: Solve for x
    x = 21,770,591.42/7,208.28
  6. Step 6: Final answer
    x = 3,020.22

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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.