Home / 3,962.08-5,467.78-2,193.84

Finding the Fourth Proportional to 3,962.08, 5,467.78 and 2,193.84

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Solution

The fourth proportional to 3,962.08, 5,467.78 and 2,193.84 is: 3,027.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,962.08 : 5,467.78 = 2,193.84 : x
  2. Step 2: Convert to fraction form
    3,962.08/5,467.78 = 2,193.84/x
  3. Step 3: Cross multiply
    3,962.08x = 5,467.78 × 2,193.84
  4. Step 4: Simplify right side
    3,962.08x = 11,995,434.48
  5. Step 5: Solve for x
    x = 11,995,434.48/3,962.08
  6. Step 6: Final answer
    x = 3,027.56

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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.