Home / 5,986.28-8,268.47-4,225.75

Finding the Fourth Proportional to 5,986.28, 8,268.47 and 4,225.75

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Solution

The fourth proportional to 5,986.28, 8,268.47 and 4,225.75 is: 5,836.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,986.28 : 8,268.47 = 4,225.75 : x
  2. Step 2: Convert to fraction form
    5,986.28/8,268.47 = 4,225.75/x
  3. Step 3: Cross multiply
    5,986.28x = 8,268.47 × 4,225.75
  4. Step 4: Simplify right side
    5,986.28x = 34,940,487.10
  5. Step 5: Solve for x
    x = 34,940,487.10/5,986.28
  6. Step 6: Final answer
    x = 5,836.76

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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.