Home / 3,914.46-5,402.94-2,342.28

Finding the Fourth Proportional to 3,914.46, 5,402.94 and 2,342.28

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Solution

The fourth proportional to 3,914.46, 5,402.94 and 2,342.28 is: 3,232.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.46 : 5,402.94 = 2,342.28 : x
  2. Step 2: Convert to fraction form
    3,914.46/5,402.94 = 2,342.28/x
  3. Step 3: Cross multiply
    3,914.46x = 5,402.94 × 2,342.28
  4. Step 4: Simplify right side
    3,914.46x = 12,655,198.30
  5. Step 5: Solve for x
    x = 12,655,198.30/3,914.46
  6. Step 6: Final answer
    x = 3,232.94

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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.