Home / 2,261.99-3,383.62-2,123.75

Finding the Fourth Proportional to 2,261.99, 3,383.62 and 2,123.75

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Solution

The fourth proportional to 2,261.99, 3,383.62 and 2,123.75 is: 3,176.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261.99 : 3,383.62 = 2,123.75 : x
  2. Step 2: Convert to fraction form
    2,261.99/3,383.62 = 2,123.75/x
  3. Step 3: Cross multiply
    2,261.99x = 3,383.62 × 2,123.75
  4. Step 4: Simplify right side
    2,261.99x = 7,185,962.98
  5. Step 5: Solve for x
    x = 7,185,962.98/2,261.99
  6. Step 6: Final answer
    x = 3,176.83

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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.