Home / 3,961.78-5,467.17-2,283.08

Finding the Fourth Proportional to 3,961.78, 5,467.17 and 2,283.08

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Solution

The fourth proportional to 3,961.78, 5,467.17 and 2,283.08 is: 3,150.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.78 : 5,467.17 = 2,283.08 : x
  2. Step 2: Convert to fraction form
    3,961.78/5,467.17 = 2,283.08/x
  3. Step 3: Cross multiply
    3,961.78x = 5,467.17 × 2,283.08
  4. Step 4: Simplify right side
    3,961.78x = 12,481,986.48
  5. Step 5: Solve for x
    x = 12,481,986.48/3,961.78
  6. Step 6: Final answer
    x = 3,150.60

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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.