Home / 3,042.72-4,197.96-1,716.08

Finding the Fourth Proportional to 3,042.72, 4,197.96 and 1,716.08

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Solution

The fourth proportional to 3,042.72, 4,197.96 and 1,716.08 is: 2,367.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042.72 : 4,197.96 = 1,716.08 : x
  2. Step 2: Convert to fraction form
    3,042.72/4,197.96 = 1,716.08/x
  3. Step 3: Cross multiply
    3,042.72x = 4,197.96 × 1,716.08
  4. Step 4: Simplify right side
    3,042.72x = 7,204,014.21
  5. Step 5: Solve for x
    x = 7,204,014.21/3,042.72
  6. Step 6: Final answer
    x = 2,367.62

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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.