Home / 3,968.69-5,475.92-2,396.75

Finding the Fourth Proportional to 3,968.69, 5,475.92 and 2,396.75

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Solution

The fourth proportional to 3,968.69, 5,475.92 and 2,396.75 is: 3,306.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.69 : 5,475.92 = 2,396.75 : x
  2. Step 2: Convert to fraction form
    3,968.69/5,475.92 = 2,396.75/x
  3. Step 3: Cross multiply
    3,968.69x = 5,475.92 × 2,396.75
  4. Step 4: Simplify right side
    3,968.69x = 13,124,371.90
  5. Step 5: Solve for x
    x = 13,124,371.90/3,968.69
  6. Step 6: Final answer
    x = 3,306.98

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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.