Home / 3,342.56-5,016.44-3,171.28

Finding the Fourth Proportional to 3,342.56, 5,016.44 and 3,171.28

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Solution

The fourth proportional to 3,342.56, 5,016.44 and 3,171.28 is: 4,759.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.56 : 5,016.44 = 3,171.28 : x
  2. Step 2: Convert to fraction form
    3,342.56/5,016.44 = 3,171.28/x
  3. Step 3: Cross multiply
    3,342.56x = 5,016.44 × 3,171.28
  4. Step 4: Simplify right side
    3,342.56x = 15,908,535.84
  5. Step 5: Solve for x
    x = 15,908,535.84/3,342.56
  6. Step 6: Final answer
    x = 4,759.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.