Home / 5,920.81-8,171.13-3,268.33

Finding the Fourth Proportional to 5,920.81, 8,171.13 and 3,268.33

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Solution

The fourth proportional to 5,920.81, 8,171.13 and 3,268.33 is: 4,510.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.81 : 8,171.13 = 3,268.33 : x
  2. Step 2: Convert to fraction form
    5,920.81/8,171.13 = 3,268.33/x
  3. Step 3: Cross multiply
    5,920.81x = 8,171.13 × 3,268.33
  4. Step 4: Simplify right side
    5,920.81x = 26,705,949.31
  5. Step 5: Solve for x
    x = 26,705,949.31/5,920.81
  6. Step 6: Final answer
    x = 4,510.52

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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.