Home / 5,712.21-7,883.55-3,474.86

Finding the Fourth Proportional to 5,712.21, 7,883.55 and 3,474.86

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Solution

The fourth proportional to 5,712.21, 7,883.55 and 3,474.86 is: 4,795.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.21 : 7,883.55 = 3,474.86 : x
  2. Step 2: Convert to fraction form
    5,712.21/7,883.55 = 3,474.86/x
  3. Step 3: Cross multiply
    5,712.21x = 7,883.55 × 3,474.86
  4. Step 4: Simplify right side
    5,712.21x = 27,394,193.14
  5. Step 5: Solve for x
    x = 27,394,193.14/5,712.21
  6. Step 6: Final answer
    x = 4,795.73

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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.