Home / 3,885.27-5,361.44-2,313.06

Finding the Fourth Proportional to 3,885.27, 5,361.44 and 2,313.06

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Solution

The fourth proportional to 3,885.27, 5,361.44 and 2,313.06 is: 3,191.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.27 : 5,361.44 = 2,313.06 : x
  2. Step 2: Convert to fraction form
    3,885.27/5,361.44 = 2,313.06/x
  3. Step 3: Cross multiply
    3,885.27x = 5,361.44 × 2,313.06
  4. Step 4: Simplify right side
    3,885.27x = 12,401,320.84
  5. Step 5: Solve for x
    x = 12,401,320.84/3,885.27
  6. Step 6: Final answer
    x = 3,191.88

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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.