Home / 7,270.65-10,906.04-3,108.51

Finding the Fourth Proportional to 7,270.65, 10,906.04 and 3,108.51

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Solution

The fourth proportional to 7,270.65, 10,906.04 and 3,108.51 is: 4,662.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,270.65 : 10,906.04 = 3,108.51 : x
  2. Step 2: Convert to fraction form
    7,270.65/10,906.04 = 3,108.51/x
  3. Step 3: Cross multiply
    7,270.65x = 10,906.04 × 3,108.51
  4. Step 4: Simplify right side
    7,270.65x = 33,901,518.86
  5. Step 5: Solve for x
    x = 33,901,518.86/7,270.65
  6. Step 6: Final answer
    x = 4,662.79

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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.