Home / 5,134.14-7,084.71-2,896.56

Finding the Fourth Proportional to 5,134.14, 7,084.71 and 2,896.56

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Solution

The fourth proportional to 5,134.14, 7,084.71 and 2,896.56 is: 3,997.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.14 : 7,084.71 = 2,896.56 : x
  2. Step 2: Convert to fraction form
    5,134.14/7,084.71 = 2,896.56/x
  3. Step 3: Cross multiply
    5,134.14x = 7,084.71 × 2,896.56
  4. Step 4: Simplify right side
    5,134.14x = 20,521,287.60
  5. Step 5: Solve for x
    x = 20,521,287.60/5,134.14
  6. Step 6: Final answer
    x = 3,997.03

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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.