Home / 5,399.73-7,448.49-3,633.75

Finding the Fourth Proportional to 5,399.73, 7,448.49 and 3,633.75

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Solution

The fourth proportional to 5,399.73, 7,448.49 and 3,633.75 is: 5,012.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399.73 : 7,448.49 = 3,633.75 : x
  2. Step 2: Convert to fraction form
    5,399.73/7,448.49 = 3,633.75/x
  3. Step 3: Cross multiply
    5,399.73x = 7,448.49 × 3,633.75
  4. Step 4: Simplify right side
    5,399.73x = 27,065,950.54
  5. Step 5: Solve for x
    x = 27,065,950.54/5,399.73
  6. Step 6: Final answer
    x = 5,012.46

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1.5x scale

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.