Home / 5,185.14-7,778.92-2,264.28

Finding the Fourth Proportional to 5,185.14, 7,778.92 and 2,264.28

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Solution

The fourth proportional to 5,185.14, 7,778.92 and 2,264.28 is: 3,396.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185.14 : 7,778.92 = 2,264.28 : x
  2. Step 2: Convert to fraction form
    5,185.14/7,778.92 = 2,264.28/x
  3. Step 3: Cross multiply
    5,185.14x = 7,778.92 × 2,264.28
  4. Step 4: Simplify right side
    5,185.14x = 17,613,652.98
  5. Step 5: Solve for x
    x = 17,613,652.98/5,185.14
  6. Step 6: Final answer
    x = 3,396.95

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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.