Home / 3,778.08-5,668.83-1,928.25

Finding the Fourth Proportional to 3,778.08, 5,668.83 and 1,928.25

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Solution

The fourth proportional to 3,778.08, 5,668.83 and 1,928.25 is: 2,893.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778.08 : 5,668.83 = 1,928.25 : x
  2. Step 2: Convert to fraction form
    3,778.08/5,668.83 = 1,928.25/x
  3. Step 3: Cross multiply
    3,778.08x = 5,668.83 × 1,928.25
  4. Step 4: Simplify right side
    3,778.08x = 10,930,921.45
  5. Step 5: Solve for x
    x = 10,930,921.45/3,778.08
  6. Step 6: Final answer
    x = 2,893.25

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1.5x scale

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.