Home / 3,723.75-5,137.47-2,232.15

Finding the Fourth Proportional to 3,723.75, 5,137.47 and 2,232.15

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Solution

The fourth proportional to 3,723.75, 5,137.47 and 2,232.15 is: 3,079.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.75 : 5,137.47 = 2,232.15 : x
  2. Step 2: Convert to fraction form
    3,723.75/5,137.47 = 2,232.15/x
  3. Step 3: Cross multiply
    3,723.75x = 5,137.47 × 2,232.15
  4. Step 4: Simplify right side
    3,723.75x = 11,467,603.66
  5. Step 5: Solve for x
    x = 11,467,603.66/3,723.75
  6. Step 6: Final answer
    x = 3,079.58

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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.