Home / 3,090.64-4,266.78-2,044.52

Finding the Fourth Proportional to 3,090.64, 4,266.78 and 2,044.52

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Solution

The fourth proportional to 3,090.64, 4,266.78 and 2,044.52 is: 2,822.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.64 : 4,266.78 = 2,044.52 : x
  2. Step 2: Convert to fraction form
    3,090.64/4,266.78 = 2,044.52/x
  3. Step 3: Cross multiply
    3,090.64x = 4,266.78 × 2,044.52
  4. Step 4: Simplify right side
    3,090.64x = 8,723,517.05
  5. Step 5: Solve for x
    x = 8,723,517.05/3,090.64
  6. Step 6: Final answer
    x = 2,822.56

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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.