Home / 3,176.28-4,383.80-3,036.12

Finding the Fourth Proportional to 3,176.28, 4,383.80 and 3,036.12

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Solution

The fourth proportional to 3,176.28, 4,383.80 and 3,036.12 is: 4,190.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.28 : 4,383.80 = 3,036.12 : x
  2. Step 2: Convert to fraction form
    3,176.28/4,383.80 = 3,036.12/x
  3. Step 3: Cross multiply
    3,176.28x = 4,383.80 × 3,036.12
  4. Step 4: Simplify right side
    3,176.28x = 13,309,742.86
  5. Step 5: Solve for x
    x = 13,309,742.86/3,176.28
  6. Step 6: Final answer
    x = 4,190.36

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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.