Home / 5,253.43-7,249.71-2,863.54

Finding the Fourth Proportional to 5,253.43, 7,249.71 and 2,863.54

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Solution

The fourth proportional to 5,253.43, 7,249.71 and 2,863.54 is: 3,951.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.43 : 7,249.71 = 2,863.54 : x
  2. Step 2: Convert to fraction form
    5,253.43/7,249.71 = 2,863.54/x
  3. Step 3: Cross multiply
    5,253.43x = 7,249.71 × 2,863.54
  4. Step 4: Simplify right side
    5,253.43x = 20,759,834.57
  5. Step 5: Solve for x
    x = 20,759,834.57/5,253.43
  6. Step 6: Final answer
    x = 3,951.67

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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.