Home / 5,920.87-8,170.65-3,268.22

Finding the Fourth Proportional to 5,920.87, 8,170.65 and 3,268.22

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Solution

The fourth proportional to 5,920.87, 8,170.65 and 3,268.22 is: 4,510.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.87 : 8,170.65 = 3,268.22 : x
  2. Step 2: Convert to fraction form
    5,920.87/8,170.65 = 3,268.22/x
  3. Step 3: Cross multiply
    5,920.87x = 8,170.65 × 3,268.22
  4. Step 4: Simplify right side
    5,920.87x = 26,703,517.49
  5. Step 5: Solve for x
    x = 26,703,517.49/5,920.87
  6. Step 6: Final answer
    x = 4,510.06

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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.