Home / 3,745.42-5,168.46-2,174.02

Finding the Fourth Proportional to 3,745.42, 5,168.46 and 2,174.02

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Solution

The fourth proportional to 3,745.42, 5,168.46 and 2,174.02 is: 3,000.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.42 : 5,168.46 = 2,174.02 : x
  2. Step 2: Convert to fraction form
    3,745.42/5,168.46 = 2,174.02/x
  3. Step 3: Cross multiply
    3,745.42x = 5,168.46 × 2,174.02
  4. Step 4: Simplify right side
    3,745.42x = 11,236,335.41
  5. Step 5: Solve for x
    x = 11,236,335.41/3,745.42
  6. Step 6: Final answer
    x = 3,000.02

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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.