Home / 5,028.36-7,542.72-2,102.64

Finding the Fourth Proportional to 5,028.36, 7,542.72 and 2,102.64

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Solution

The fourth proportional to 5,028.36, 7,542.72 and 2,102.64 is: 3,154.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.36 : 7,542.72 = 2,102.64 : x
  2. Step 2: Convert to fraction form
    5,028.36/7,542.72 = 2,102.64/x
  3. Step 3: Cross multiply
    5,028.36x = 7,542.72 × 2,102.64
  4. Step 4: Simplify right side
    5,028.36x = 15,859,624.78
  5. Step 5: Solve for x
    x = 15,859,624.78/5,028.36
  6. Step 6: Final answer
    x = 3,154.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.