Home / 4,078.52-5,628.30-2,286.16

Finding the Fourth Proportional to 4,078.52, 5,628.30 and 2,286.16

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Solution

The fourth proportional to 4,078.52, 5,628.30 and 2,286.16 is: 3,154.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.52 : 5,628.30 = 2,286.16 : x
  2. Step 2: Convert to fraction form
    4,078.52/5,628.30 = 2,286.16/x
  3. Step 3: Cross multiply
    4,078.52x = 5,628.30 × 2,286.16
  4. Step 4: Simplify right side
    4,078.52x = 12,867,194.33
  5. Step 5: Solve for x
    x = 12,867,194.33/4,078.52
  6. Step 6: Final answer
    x = 3,154.87

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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.