Home / 2,015.13-3,022.73-1,326.18

Finding the Fourth Proportional to 2,015.13, 3,022.73 and 1,326.18

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Solution

The fourth proportional to 2,015.13, 3,022.73 and 1,326.18 is: 1,989.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015.13 : 3,022.73 = 1,326.18 : x
  2. Step 2: Convert to fraction form
    2,015.13/3,022.73 = 1,326.18/x
  3. Step 3: Cross multiply
    2,015.13x = 3,022.73 × 1,326.18
  4. Step 4: Simplify right side
    2,015.13x = 4,008,684.07
  5. Step 5: Solve for x
    x = 4,008,684.07/2,015.13
  6. Step 6: Final answer
    x = 1,989.29

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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.