Home / 5,134.11-7,081.88-3,036.75

Finding the Fourth Proportional to 5,134.11, 7,081.88 and 3,036.75

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Solution

The fourth proportional to 5,134.11, 7,081.88 and 3,036.75 is: 4,188.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.11 : 7,081.88 = 3,036.75 : x
  2. Step 2: Convert to fraction form
    5,134.11/7,081.88 = 3,036.75/x
  3. Step 3: Cross multiply
    5,134.11x = 7,081.88 × 3,036.75
  4. Step 4: Simplify right side
    5,134.11x = 21,505,883.91
  5. Step 5: Solve for x
    x = 21,505,883.91/5,134.11
  6. Step 6: Final answer
    x = 4,188.82

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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.