Home / 3,961.81-5,467.53-2,193.45

Finding the Fourth Proportional to 3,961.81, 5,467.53 and 2,193.45

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Solution

The fourth proportional to 3,961.81, 5,467.53 and 2,193.45 is: 3,027.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.81 : 5,467.53 = 2,193.45 : x
  2. Step 2: Convert to fraction form
    3,961.81/5,467.53 = 2,193.45/x
  3. Step 3: Cross multiply
    3,961.81x = 5,467.53 × 2,193.45
  4. Step 4: Simplify right side
    3,961.81x = 11,992,753.68
  5. Step 5: Solve for x
    x = 11,992,753.68/3,961.81
  6. Step 6: Final answer
    x = 3,027.09

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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.