Home / 2,074.15-3,110.01-979.03

Finding the Fourth Proportional to 2,074.15, 3,110.01 and 979.03

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Solution

The fourth proportional to 2,074.15, 3,110.01 and 979.03 is: 1,467.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074.15 : 3,110.01 = 979.03 : x
  2. Step 2: Convert to fraction form
    2,074.15/3,110.01 = 979.03/x
  3. Step 3: Cross multiply
    2,074.15x = 3,110.01 × 979.03
  4. Step 4: Simplify right side
    2,074.15x = 3,044,793.09
  5. Step 5: Solve for x
    x = 3,044,793.09/2,074.15
  6. Step 6: Final answer
    x = 1,467.97

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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.