Home / 2,266.41-3,128.03-1,322.75

Finding the Fourth Proportional to 2,266.41, 3,128.03 and 1,322.75

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Solution

The fourth proportional to 2,266.41, 3,128.03 and 1,322.75 is: 1,825.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266.41 : 3,128.03 = 1,322.75 : x
  2. Step 2: Convert to fraction form
    2,266.41/3,128.03 = 1,322.75/x
  3. Step 3: Cross multiply
    2,266.41x = 3,128.03 × 1,322.75
  4. Step 4: Simplify right side
    2,266.41x = 4,137,579.43
  5. Step 5: Solve for x
    x = 4,137,579.43/2,266.41
  6. Step 6: Final answer
    x = 1,825.61

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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.