Home / 5,920.82-8,170.69-3,268.23

Finding the Fourth Proportional to 5,920.82, 8,170.69 and 3,268.23

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Solution

The fourth proportional to 5,920.82, 8,170.69 and 3,268.23 is: 4,510.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.82 : 8,170.69 = 3,268.23 : x
  2. Step 2: Convert to fraction form
    5,920.82/8,170.69 = 3,268.23/x
  3. Step 3: Cross multiply
    5,920.82x = 8,170.69 × 3,268.23
  4. Step 4: Simplify right side
    5,920.82x = 26,703,686.01
  5. Step 5: Solve for x
    x = 26,703,686.01/5,920.82
  6. Step 6: Final answer
    x = 4,510.13

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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.