Home / 5,321.44-7,979.49-3,101.01

Finding the Fourth Proportional to 5,321.44, 7,979.49 and 3,101.01

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Solution

The fourth proportional to 5,321.44, 7,979.49 and 3,101.01 is: 4,649.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321.44 : 7,979.49 = 3,101.01 : x
  2. Step 2: Convert to fraction form
    5,321.44/7,979.49 = 3,101.01/x
  3. Step 3: Cross multiply
    5,321.44x = 7,979.49 × 3,101.01
  4. Step 4: Simplify right side
    5,321.44x = 24,744,478.28
  5. Step 5: Solve for x
    x = 24,744,478.28/5,321.44
  6. Step 6: Final answer
    x = 4,649.96

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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.