Home / 2,256.43-3,380.76-2,028.16

Finding the Fourth Proportional to 2,256.43, 3,380.76 and 2,028.16

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Solution

The fourth proportional to 2,256.43, 3,380.76 and 2,028.16 is: 3,038.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256.43 : 3,380.76 = 2,028.16 : x
  2. Step 2: Convert to fraction form
    2,256.43/3,380.76 = 2,028.16/x
  3. Step 3: Cross multiply
    2,256.43x = 3,380.76 × 2,028.16
  4. Step 4: Simplify right side
    2,256.43x = 6,856,722.20
  5. Step 5: Solve for x
    x = 6,856,722.20/2,256.43
  6. Step 6: Final answer
    x = 3,038.75

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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.