Home / 7,240.94-10,862.19-2,309.43

Finding the Fourth Proportional to 7,240.94, 10,862.19 and 2,309.43

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Solution

The fourth proportional to 7,240.94, 10,862.19 and 2,309.43 is: 3,464.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240.94 : 10,862.19 = 2,309.43 : x
  2. Step 2: Convert to fraction form
    7,240.94/10,862.19 = 2,309.43/x
  3. Step 3: Cross multiply
    7,240.94x = 10,862.19 × 2,309.43
  4. Step 4: Simplify right side
    7,240.94x = 25,085,467.45
  5. Step 5: Solve for x
    x = 25,085,467.45/7,240.94
  6. Step 6: Final answer
    x = 3,464.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.