Home / 5,918.73-8,163.75-4,799.71

Finding the Fourth Proportional to 5,918.73, 8,163.75 and 4,799.71

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Solution

The fourth proportional to 5,918.73, 8,163.75 and 4,799.71 is: 6,620.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.73 : 8,163.75 = 4,799.71 : x
  2. Step 2: Convert to fraction form
    5,918.73/8,163.75 = 4,799.71/x
  3. Step 3: Cross multiply
    5,918.73x = 8,163.75 × 4,799.71
  4. Step 4: Simplify right side
    5,918.73x = 39,183,632.51
  5. Step 5: Solve for x
    x = 39,183,632.51/5,918.73
  6. Step 6: Final answer
    x = 6,620.28

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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.