Home / 1,906.14-2,628.27-1,439.58

Finding the Fourth Proportional to 1,906.14, 2,628.27 and 1,439.58

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Solution

The fourth proportional to 1,906.14, 2,628.27 and 1,439.58 is: 1,984.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906.14 : 2,628.27 = 1,439.58 : x
  2. Step 2: Convert to fraction form
    1,906.14/2,628.27 = 1,439.58/x
  3. Step 3: Cross multiply
    1,906.14x = 2,628.27 × 1,439.58
  4. Step 4: Simplify right side
    1,906.14x = 3,783,604.93
  5. Step 5: Solve for x
    x = 3,783,604.93/1,906.14
  6. Step 6: Final answer
    x = 1,984.96

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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.