Home / 3,953.00-5,453.83-2,758.35

Finding the Fourth Proportional to 3,953.00, 5,453.83 and 2,758.35

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Solution

The fourth proportional to 3,953.00, 5,453.83 and 2,758.35 is: 3,805.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953.00 : 5,453.83 = 2,758.35 : x
  2. Step 2: Convert to fraction form
    3,953.00/5,453.83 = 2,758.35/x
  3. Step 3: Cross multiply
    3,953.00x = 5,453.83 × 2,758.35
  4. Step 4: Simplify right side
    3,953.00x = 15,043,595.88
  5. Step 5: Solve for x
    x = 15,043,595.88/3,953.00
  6. Step 6: Final answer
    x = 3,805.61

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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.