Home / 6,268.11-8,646.30-3,879.02

Finding the Fourth Proportional to 6,268.11, 8,646.30 and 3,879.02

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Solution

The fourth proportional to 6,268.11, 8,646.30 and 3,879.02 is: 5,350.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,268.11 : 8,646.30 = 3,879.02 : x
  2. Step 2: Convert to fraction form
    6,268.11/8,646.30 = 3,879.02/x
  3. Step 3: Cross multiply
    6,268.11x = 8,646.30 × 3,879.02
  4. Step 4: Simplify right side
    6,268.11x = 33,539,127.39
  5. Step 5: Solve for x
    x = 33,539,127.39/6,268.11
  6. Step 6: Final answer
    x = 5,350.76

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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.