Home / 3,042.28-4,198.29-1,715.99

Finding the Fourth Proportional to 3,042.28, 4,198.29 and 1,715.99

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Solution

The fourth proportional to 3,042.28, 4,198.29 and 1,715.99 is: 2,368.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042.28 : 4,198.29 = 1,715.99 : x
  2. Step 2: Convert to fraction form
    3,042.28/4,198.29 = 1,715.99/x
  3. Step 3: Cross multiply
    3,042.28x = 4,198.29 × 1,715.99
  4. Step 4: Simplify right side
    3,042.28x = 7,204,194.09
  5. Step 5: Solve for x
    x = 7,204,194.09/3,042.28
  6. Step 6: Final answer
    x = 2,368.02

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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.