Home / 3,015.82-4,162.44-2,061.28

Finding the Fourth Proportional to 3,015.82, 4,162.44 and 2,061.28

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Solution

The fourth proportional to 3,015.82, 4,162.44 and 2,061.28 is: 2,844.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.82 : 4,162.44 = 2,061.28 : x
  2. Step 2: Convert to fraction form
    3,015.82/4,162.44 = 2,061.28/x
  3. Step 3: Cross multiply
    3,015.82x = 4,162.44 × 2,061.28
  4. Step 4: Simplify right side
    3,015.82x = 8,579,954.32
  5. Step 5: Solve for x
    x = 8,579,954.32/3,015.82
  6. Step 6: Final answer
    x = 2,844.98

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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.