Home / 3,027.82-4,177.65-1,768.16

Finding the Fourth Proportional to 3,027.82, 4,177.65 and 1,768.16

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Solution

The fourth proportional to 3,027.82, 4,177.65 and 1,768.16 is: 2,439.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,027.82 : 4,177.65 = 1,768.16 : x
  2. Step 2: Convert to fraction form
    3,027.82/4,177.65 = 1,768.16/x
  3. Step 3: Cross multiply
    3,027.82x = 4,177.65 × 1,768.16
  4. Step 4: Simplify right side
    3,027.82x = 7,386,753.62
  5. Step 5: Solve for x
    x = 7,386,753.62/3,027.82
  6. Step 6: Final answer
    x = 2,439.63

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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.