Home / 3,635.25-5,453.73-1,038.12

Finding the Fourth Proportional to 3,635.25, 5,453.73 and 1,038.12

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Solution

The fourth proportional to 3,635.25, 5,453.73 and 1,038.12 is: 1,557.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.25 : 5,453.73 = 1,038.12 : x
  2. Step 2: Convert to fraction form
    3,635.25/5,453.73 = 1,038.12/x
  3. Step 3: Cross multiply
    3,635.25x = 5,453.73 × 1,038.12
  4. Step 4: Simplify right side
    3,635.25x = 5,661,626.19
  5. Step 5: Solve for x
    x = 5,661,626.19/3,635.25
  6. Step 6: Final answer
    x = 1,557.42

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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.