Home / 3,885.01-5,361.63-2,206.96

Finding the Fourth Proportional to 3,885.01, 5,361.63 and 2,206.96

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Solution

The fourth proportional to 3,885.01, 5,361.63 and 2,206.96 is: 3,045.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.01 : 5,361.63 = 2,206.96 : x
  2. Step 2: Convert to fraction form
    3,885.01/5,361.63 = 2,206.96/x
  3. Step 3: Cross multiply
    3,885.01x = 5,361.63 × 2,206.96
  4. Step 4: Simplify right side
    3,885.01x = 11,832,902.94
  5. Step 5: Solve for x
    x = 11,832,902.94/3,885.01
  6. Step 6: Final answer
    x = 3,045.78

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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.