Home / 2,974.24-4,104.37-1,715.28

Finding the Fourth Proportional to 2,974.24, 4,104.37 and 1,715.28

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Solution

The fourth proportional to 2,974.24, 4,104.37 and 1,715.28 is: 2,367.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.24 : 4,104.37 = 1,715.28 : x
  2. Step 2: Convert to fraction form
    2,974.24/4,104.37 = 1,715.28/x
  3. Step 3: Cross multiply
    2,974.24x = 4,104.37 × 1,715.28
  4. Step 4: Simplify right side
    2,974.24x = 7,040,143.77
  5. Step 5: Solve for x
    x = 7,040,143.77/2,974.24
  6. Step 6: Final answer
    x = 2,367.04

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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.