Home / 2,182.51-3,011.83-1,238.32

Finding the Fourth Proportional to 2,182.51, 3,011.83 and 1,238.32

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Solution

The fourth proportional to 2,182.51, 3,011.83 and 1,238.32 is: 1,708.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182.51 : 3,011.83 = 1,238.32 : x
  2. Step 2: Convert to fraction form
    2,182.51/3,011.83 = 1,238.32/x
  3. Step 3: Cross multiply
    2,182.51x = 3,011.83 × 1,238.32
  4. Step 4: Simplify right side
    2,182.51x = 3,729,609.33
  5. Step 5: Solve for x
    x = 3,729,609.33/2,182.51
  6. Step 6: Final answer
    x = 1,708.86

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.