Home / 4,040.96-5,579.69-3,159.27

Finding the Fourth Proportional to 4,040.96, 5,579.69 and 3,159.27

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Solution

The fourth proportional to 4,040.96, 5,579.69 and 3,159.27 is: 4,362.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,040.96 : 5,579.69 = 3,159.27 : x
  2. Step 2: Convert to fraction form
    4,040.96/5,579.69 = 3,159.27/x
  3. Step 3: Cross multiply
    4,040.96x = 5,579.69 × 3,159.27
  4. Step 4: Simplify right side
    4,040.96x = 17,627,731.43
  5. Step 5: Solve for x
    x = 17,627,731.43/4,040.96
  6. Step 6: Final answer
    x = 4,362.27

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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.