Home / 4,923.72-6,788.61-3,976.02

Finding the Fourth Proportional to 4,923.72, 6,788.61 and 3,976.02

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Solution

The fourth proportional to 4,923.72, 6,788.61 and 3,976.02 is: 5,481.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,923.72 : 6,788.61 = 3,976.02 : x
  2. Step 2: Convert to fraction form
    4,923.72/6,788.61 = 3,976.02/x
  3. Step 3: Cross multiply
    4,923.72x = 6,788.61 × 3,976.02
  4. Step 4: Simplify right side
    4,923.72x = 26,991,649.13
  5. Step 5: Solve for x
    x = 26,991,649.13/4,923.72
  6. Step 6: Final answer
    x = 5,481.96

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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.