Home / 3,042.45-4,198.43-1,716.15

Finding the Fourth Proportional to 3,042.45, 4,198.43 and 1,716.15

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Solution

The fourth proportional to 3,042.45, 4,198.43 and 1,716.15 is: 2,368.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042.45 : 4,198.43 = 1,716.15 : x
  2. Step 2: Convert to fraction form
    3,042.45/4,198.43 = 1,716.15/x
  3. Step 3: Cross multiply
    3,042.45x = 4,198.43 × 1,716.15
  4. Step 4: Simplify right side
    3,042.45x = 7,205,135.64
  5. Step 5: Solve for x
    x = 7,205,135.64/3,042.45
  6. Step 6: Final answer
    x = 2,368.20

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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.