Home / 5,920.86-8,170.85-3,268.27

Finding the Fourth Proportional to 5,920.86, 8,170.85 and 3,268.27

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Solution

The fourth proportional to 5,920.86, 8,170.85 and 3,268.27 is: 4,510.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.86 : 8,170.85 = 3,268.27 : x
  2. Step 2: Convert to fraction form
    5,920.86/8,170.85 = 3,268.27/x
  3. Step 3: Cross multiply
    5,920.86x = 8,170.85 × 3,268.27
  4. Step 4: Simplify right side
    5,920.86x = 26,704,531.67
  5. Step 5: Solve for x
    x = 26,704,531.67/5,920.86
  6. Step 6: Final answer
    x = 4,510.25

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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.