Home / 5,415.73-7,471.44-3,644.26

Finding the Fourth Proportional to 5,415.73, 7,471.44 and 3,644.26

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Solution

The fourth proportional to 5,415.73, 7,471.44 and 3,644.26 is: 5,027.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.73 : 7,471.44 = 3,644.26 : x
  2. Step 2: Convert to fraction form
    5,415.73/7,471.44 = 3,644.26/x
  3. Step 3: Cross multiply
    5,415.73x = 7,471.44 × 3,644.26
  4. Step 4: Simplify right side
    5,415.73x = 27,227,869.93
  5. Step 5: Solve for x
    x = 27,227,869.93/5,415.73
  6. Step 6: Final answer
    x = 5,027.55

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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.