Home / 5,134.95-7,086.33-3,011.75

Finding the Fourth Proportional to 5,134.95, 7,086.33 and 3,011.75

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Solution

The fourth proportional to 5,134.95, 7,086.33 and 3,011.75 is: 4,156.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.95 : 7,086.33 = 3,011.75 : x
  2. Step 2: Convert to fraction form
    5,134.95/7,086.33 = 3,011.75/x
  3. Step 3: Cross multiply
    5,134.95x = 7,086.33 × 3,011.75
  4. Step 4: Simplify right side
    5,134.95x = 21,342,218.95
  5. Step 5: Solve for x
    x = 21,342,218.95/5,134.95
  6. Step 6: Final answer
    x = 4,156.27

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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.