Home / 7,207.16-10,809.78-2,013.56

Finding the Fourth Proportional to 7,207.16, 10,809.78 and 2,013.56

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Solution

The fourth proportional to 7,207.16, 10,809.78 and 2,013.56 is: 3,020.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207.16 : 10,809.78 = 2,013.56 : x
  2. Step 2: Convert to fraction form
    7,207.16/10,809.78 = 2,013.56/x
  3. Step 3: Cross multiply
    7,207.16x = 10,809.78 × 2,013.56
  4. Step 4: Simplify right side
    7,207.16x = 21,766,140.62
  5. Step 5: Solve for x
    x = 21,766,140.62/7,207.16
  6. Step 6: Final answer
    x = 3,020.07

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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.