Home / 3,042.74-4,198.96-1,716.88

Finding the Fourth Proportional to 3,042.74, 4,198.96 and 1,716.88

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Solution

The fourth proportional to 3,042.74, 4,198.96 and 1,716.88 is: 2,369.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042.74 : 4,198.96 = 1,716.88 : x
  2. Step 2: Convert to fraction form
    3,042.74/4,198.96 = 1,716.88/x
  3. Step 3: Cross multiply
    3,042.74x = 4,198.96 × 1,716.88
  4. Step 4: Simplify right side
    3,042.74x = 7,209,110.44
  5. Step 5: Solve for x
    x = 7,209,110.44/3,042.74
  6. Step 6: Final answer
    x = 2,369.28

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1.5x scale

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.