Home / 5,074.92-7,003.35-2,836.80

Finding the Fourth Proportional to 5,074.92, 7,003.35 and 2,836.80

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Solution

The fourth proportional to 5,074.92, 7,003.35 and 2,836.80 is: 3,914.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.92 : 7,003.35 = 2,836.80 : x
  2. Step 2: Convert to fraction form
    5,074.92/7,003.35 = 2,836.80/x
  3. Step 3: Cross multiply
    5,074.92x = 7,003.35 × 2,836.80
  4. Step 4: Simplify right side
    5,074.92x = 19,867,103.28
  5. Step 5: Solve for x
    x = 19,867,103.28/5,074.92
  6. Step 6: Final answer
    x = 3,914.76

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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.