Home / 5,920.76-8,170.58-3,268.11

Finding the Fourth Proportional to 5,920.76, 8,170.58 and 3,268.11

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Solution

The fourth proportional to 5,920.76, 8,170.58 and 3,268.11 is: 4,509.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.76 : 8,170.58 = 3,268.11 : x
  2. Step 2: Convert to fraction form
    5,920.76/8,170.58 = 3,268.11/x
  3. Step 3: Cross multiply
    5,920.76x = 8,170.58 × 3,268.11
  4. Step 4: Simplify right side
    5,920.76x = 26,702,337.86
  5. Step 5: Solve for x
    x = 26,702,337.86/5,920.76
  6. Step 6: Final answer
    x = 4,509.95

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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.