Home / 5,185.56-7,773.92-2,261.68

Finding the Fourth Proportional to 5,185.56, 7,773.92 and 2,261.68

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Solution

The fourth proportional to 5,185.56, 7,773.92 and 2,261.68 is: 3,390.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185.56 : 7,773.92 = 2,261.68 : x
  2. Step 2: Convert to fraction form
    5,185.56/7,773.92 = 2,261.68/x
  3. Step 3: Cross multiply
    5,185.56x = 7,773.92 × 2,261.68
  4. Step 4: Simplify right side
    5,185.56x = 17,582,119.39
  5. Step 5: Solve for x
    x = 17,582,119.39/5,185.56
  6. Step 6: Final answer
    x = 3,390.59

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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.