Home / 5,076.52-7,003.66-3,086.32

Finding the Fourth Proportional to 5,076.52, 7,003.66 and 3,086.32

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Solution

The fourth proportional to 5,076.52, 7,003.66 and 3,086.32 is: 4,257.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.52 : 7,003.66 = 3,086.32 : x
  2. Step 2: Convert to fraction form
    5,076.52/7,003.66 = 3,086.32/x
  3. Step 3: Cross multiply
    5,076.52x = 7,003.66 × 3,086.32
  4. Step 4: Simplify right side
    5,076.52x = 21,615,535.93
  5. Step 5: Solve for x
    x = 21,615,535.93/5,076.52
  6. Step 6: Final answer
    x = 4,257.94

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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.