Home / 2,974.28-4,104.50-1,715.33

Finding the Fourth Proportional to 2,974.28, 4,104.50 and 1,715.33

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Solution

The fourth proportional to 2,974.28, 4,104.50 and 1,715.33 is: 2,367.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.28 : 4,104.50 = 1,715.33 : x
  2. Step 2: Convert to fraction form
    2,974.28/4,104.50 = 1,715.33/x
  3. Step 3: Cross multiply
    2,974.28x = 4,104.50 × 1,715.33
  4. Step 4: Simplify right side
    2,974.28x = 7,040,571.99
  5. Step 5: Solve for x
    x = 7,040,571.99/2,974.28
  6. Step 6: Final answer
    x = 2,367.15

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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.