Home / 5,552.82-7,663.05-3,785.22

Finding the Fourth Proportional to 5,552.82, 7,663.05 and 3,785.22

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Solution

The fourth proportional to 5,552.82, 7,663.05 and 3,785.22 is: 5,223.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,552.82 : 7,663.05 = 3,785.22 : x
  2. Step 2: Convert to fraction form
    5,552.82/7,663.05 = 3,785.22/x
  3. Step 3: Cross multiply
    5,552.82x = 7,663.05 × 3,785.22
  4. Step 4: Simplify right side
    5,552.82x = 29,006,330.12
  5. Step 5: Solve for x
    x = 29,006,330.12/5,552.82
  6. Step 6: Final answer
    x = 5,223.71

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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.