Home / 7,147.73-10,723.77-3,450.08

Finding the Fourth Proportional to 7,147.73, 10,723.77 and 3,450.08

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Solution

The fourth proportional to 7,147.73, 10,723.77 and 3,450.08 is: 5,176.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,147.73 : 10,723.77 = 3,450.08 : x
  2. Step 2: Convert to fraction form
    7,147.73/10,723.77 = 3,450.08/x
  3. Step 3: Cross multiply
    7,147.73x = 10,723.77 × 3,450.08
  4. Step 4: Simplify right side
    7,147.73x = 36,997,864.40
  5. Step 5: Solve for x
    x = 36,997,864.40/7,147.73
  6. Step 6: Final answer
    x = 5,176.17

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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.