Home / 5,531.82-7,628.49-3,644.52

Finding the Fourth Proportional to 5,531.82, 7,628.49 and 3,644.52

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Solution

The fourth proportional to 5,531.82, 7,628.49 and 3,644.52 is: 5,025.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.82 : 7,628.49 = 3,644.52 : x
  2. Step 2: Convert to fraction form
    5,531.82/7,628.49 = 3,644.52/x
  3. Step 3: Cross multiply
    5,531.82x = 7,628.49 × 3,644.52
  4. Step 4: Simplify right side
    5,531.82x = 27,802,184.37
  5. Step 5: Solve for x
    x = 27,802,184.37/5,531.82
  6. Step 6: Final answer
    x = 5,025.87

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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.