Home / 5,920.70-8,170.56-3,268.08

Finding the Fourth Proportional to 5,920.70, 8,170.56 and 3,268.08

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Solution

The fourth proportional to 5,920.70, 8,170.56 and 3,268.08 is: 4,509.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.70 : 8,170.56 = 3,268.08 : x
  2. Step 2: Convert to fraction form
    5,920.70/8,170.56 = 3,268.08/x
  3. Step 3: Cross multiply
    5,920.70x = 8,170.56 × 3,268.08
  4. Step 4: Simplify right side
    5,920.70x = 26,702,043.72
  5. Step 5: Solve for x
    x = 26,702,043.72/5,920.70
  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.