Home / 7,048.73-9,727.26-3,904.91

Finding the Fourth Proportional to 7,048.73, 9,727.26 and 3,904.91

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Solution

The fourth proportional to 7,048.73, 9,727.26 and 3,904.91 is: 5,388.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,048.73 : 9,727.26 = 3,904.91 : x
  2. Step 2: Convert to fraction form
    7,048.73/9,727.26 = 3,904.91/x
  3. Step 3: Cross multiply
    7,048.73x = 9,727.26 × 3,904.91
  4. Step 4: Simplify right side
    7,048.73x = 37,984,074.85
  5. Step 5: Solve for x
    x = 37,984,074.85/7,048.73
  6. Step 6: Final answer
    x = 5,388.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.