Home / 5,134.68-7,086.19-2,895.74

Finding the Fourth Proportional to 5,134.68, 7,086.19 and 2,895.74

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Solution

The fourth proportional to 5,134.68, 7,086.19 and 2,895.74 is: 3,996.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.68 : 7,086.19 = 2,895.74 : x
  2. Step 2: Convert to fraction form
    5,134.68/7,086.19 = 2,895.74/x
  3. Step 3: Cross multiply
    5,134.68x = 7,086.19 × 2,895.74
  4. Step 4: Simplify right side
    5,134.68x = 20,519,799.24
  5. Step 5: Solve for x
    x = 20,519,799.24/5,134.68
  6. Step 6: Final answer
    x = 3,996.31

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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.