Home / 5,249.07-7,243.97-2,980.58

Finding the Fourth Proportional to 5,249.07, 7,243.97 and 2,980.58

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Solution

The fourth proportional to 5,249.07, 7,243.97 and 2,980.58 is: 4,113.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,249.07 : 7,243.97 = 2,980.58 : x
  2. Step 2: Convert to fraction form
    5,249.07/7,243.97 = 2,980.58/x
  3. Step 3: Cross multiply
    5,249.07x = 7,243.97 × 2,980.58
  4. Step 4: Simplify right side
    5,249.07x = 21,591,180.98
  5. Step 5: Solve for x
    x = 21,591,180.98/5,249.07
  6. Step 6: Final answer
    x = 4,113.33

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1.5x scale

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.