Home / 2,943.29-4,412.88-1,481.64

Finding the Fourth Proportional to 2,943.29, 4,412.88 and 1,481.64

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Solution

The fourth proportional to 2,943.29, 4,412.88 and 1,481.64 is: 2,221.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.29 : 4,412.88 = 1,481.64 : x
  2. Step 2: Convert to fraction form
    2,943.29/4,412.88 = 1,481.64/x
  3. Step 3: Cross multiply
    2,943.29x = 4,412.88 × 1,481.64
  4. Step 4: Simplify right side
    2,943.29x = 6,538,307.80
  5. Step 5: Solve for x
    x = 6,538,307.80/2,943.29
  6. Step 6: Final answer
    x = 2,221.43

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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.