Home / 4,268.25-6,402.44-1,190.25

Finding the Fourth Proportional to 4,268.25, 6,402.44 and 1,190.25

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Solution

The fourth proportional to 4,268.25, 6,402.44 and 1,190.25 is: 1,785.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.25 : 6,402.44 = 1,190.25 : x
  2. Step 2: Convert to fraction form
    4,268.25/6,402.44 = 1,190.25/x
  3. Step 3: Cross multiply
    4,268.25x = 6,402.44 × 1,190.25
  4. Step 4: Simplify right side
    4,268.25x = 7,620,507.19
  5. Step 5: Solve for x
    x = 7,620,507.19/4,268.25
  6. Step 6: Final answer
    x = 1,785.39

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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.