Home / 4,022.28-5,546.54-3,181.63

Finding the Fourth Proportional to 4,022.28, 5,546.54 and 3,181.63

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Solution

The fourth proportional to 4,022.28, 5,546.54 and 3,181.63 is: 4,387.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,022.28 : 5,546.54 = 3,181.63 : x
  2. Step 2: Convert to fraction form
    4,022.28/5,546.54 = 3,181.63/x
  3. Step 3: Cross multiply
    4,022.28x = 5,546.54 × 3,181.63
  4. Step 4: Simplify right side
    4,022.28x = 17,647,038.06
  5. Step 5: Solve for x
    x = 17,647,038.06/4,022.28
  6. Step 6: Final answer
    x = 4,387.32

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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.