Home / 4,268.07-6,402.09-2,665.68

Finding the Fourth Proportional to 4,268.07, 6,402.09 and 2,665.68

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Solution

The fourth proportional to 4,268.07, 6,402.09 and 2,665.68 is: 3,998.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.07 : 6,402.09 = 2,665.68 : x
  2. Step 2: Convert to fraction form
    4,268.07/6,402.09 = 2,665.68/x
  3. Step 3: Cross multiply
    4,268.07x = 6,402.09 × 2,665.68
  4. Step 4: Simplify right side
    4,268.07x = 17,065,923.27
  5. Step 5: Solve for x
    x = 17,065,923.27/4,268.07
  6. Step 6: Final answer
    x = 3,998.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.