Home / 3,885.53-5,361.49-2,292.43

Finding the Fourth Proportional to 3,885.53, 5,361.49 and 2,292.43

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Solution

The fourth proportional to 3,885.53, 5,361.49 and 2,292.43 is: 3,163.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.53 : 5,361.49 = 2,292.43 : x
  2. Step 2: Convert to fraction form
    3,885.53/5,361.49 = 2,292.43/x
  3. Step 3: Cross multiply
    3,885.53x = 5,361.49 × 2,292.43
  4. Step 4: Simplify right side
    3,885.53x = 12,290,829.98
  5. Step 5: Solve for x
    x = 12,290,829.98/3,885.53
  6. Step 6: Final answer
    x = 3,163.24

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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.