Home / 3,400.66-5,102.26-2,315.26

Finding the Fourth Proportional to 3,400.66, 5,102.26 and 2,315.26

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Solution

The fourth proportional to 3,400.66, 5,102.26 and 2,315.26 is: 3,473.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.66 : 5,102.26 = 2,315.26 : x
  2. Step 2: Convert to fraction form
    3,400.66/5,102.26 = 2,315.26/x
  3. Step 3: Cross multiply
    3,400.66x = 5,102.26 × 2,315.26
  4. Step 4: Simplify right side
    3,400.66x = 11,813,058.49
  5. Step 5: Solve for x
    x = 11,813,058.49/3,400.66
  6. Step 6: Final answer
    x = 3,473.75

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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.