Home / 3,858.73-5,325.06-2,286.73

Finding the Fourth Proportional to 3,858.73, 5,325.06 and 2,286.73

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Solution

The fourth proportional to 3,858.73, 5,325.06 and 2,286.73 is: 3,155.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858.73 : 5,325.06 = 2,286.73 : x
  2. Step 2: Convert to fraction form
    3,858.73/5,325.06 = 2,286.73/x
  3. Step 3: Cross multiply
    3,858.73x = 5,325.06 × 2,286.73
  4. Step 4: Simplify right side
    3,858.73x = 12,176,974.45
  5. Step 5: Solve for x
    x = 12,176,974.45/3,858.73
  6. Step 6: Final answer
    x = 3,155.69

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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.