Home / 5,383.81-7,429.62-3,025.90

Finding the Fourth Proportional to 5,383.81, 7,429.62 and 3,025.90

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Solution

The fourth proportional to 5,383.81, 7,429.62 and 3,025.90 is: 4,175.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383.81 : 7,429.62 = 3,025.90 : x
  2. Step 2: Convert to fraction form
    5,383.81/7,429.62 = 3,025.90/x
  3. Step 3: Cross multiply
    5,383.81x = 7,429.62 × 3,025.90
  4. Step 4: Simplify right side
    5,383.81x = 22,481,287.16
  5. Step 5: Solve for x
    x = 22,481,287.16/5,383.81
  6. Step 6: Final answer
    x = 4,175.72

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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.