Home / 3,912.27-5,397.58-2,232.46

Finding the Fourth Proportional to 3,912.27, 5,397.58 and 2,232.46

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Solution

The fourth proportional to 3,912.27, 5,397.58 and 2,232.46 is: 3,080.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912.27 : 5,397.58 = 2,232.46 : x
  2. Step 2: Convert to fraction form
    3,912.27/5,397.58 = 2,232.46/x
  3. Step 3: Cross multiply
    3,912.27x = 5,397.58 × 2,232.46
  4. Step 4: Simplify right side
    3,912.27x = 12,049,881.45
  5. Step 5: Solve for x
    x = 12,049,881.45/3,912.27
  6. Step 6: Final answer
    x = 3,080.02

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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.