Home / 5,383.14-7,428.74-3,025.28

Finding the Fourth Proportional to 5,383.14, 7,428.74 and 3,025.28

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Solution

The fourth proportional to 5,383.14, 7,428.74 and 3,025.28 is: 4,174.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383.14 : 7,428.74 = 3,025.28 : x
  2. Step 2: Convert to fraction form
    5,383.14/7,428.74 = 3,025.28/x
  3. Step 3: Cross multiply
    5,383.14x = 7,428.74 × 3,025.28
  4. Step 4: Simplify right side
    5,383.14x = 22,474,018.55
  5. Step 5: Solve for x
    x = 22,474,018.55/5,383.14
  6. Step 6: Final answer
    x = 4,174.89

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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.