Home / 3,794.22-5,235.71-2,115.50

Finding the Fourth Proportional to 3,794.22, 5,235.71 and 2,115.50

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Solution

The fourth proportional to 3,794.22, 5,235.71 and 2,115.50 is: 2,919.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,794.22 : 5,235.71 = 2,115.50 : x
  2. Step 2: Convert to fraction form
    3,794.22/5,235.71 = 2,115.50/x
  3. Step 3: Cross multiply
    3,794.22x = 5,235.71 × 2,115.50
  4. Step 4: Simplify right side
    3,794.22x = 11,076,107.75
  5. Step 5: Solve for x
    x = 11,076,107.75/3,794.22
  6. Step 6: Final answer
    x = 2,919.21

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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.