Home / 3,942.94-5,440.17-2,264.26

Finding the Fourth Proportional to 3,942.94, 5,440.17 and 2,264.26

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Solution

The fourth proportional to 3,942.94, 5,440.17 and 2,264.26 is: 3,124.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.94 : 5,440.17 = 2,264.26 : x
  2. Step 2: Convert to fraction form
    3,942.94/5,440.17 = 2,264.26/x
  3. Step 3: Cross multiply
    3,942.94x = 5,440.17 × 2,264.26
  4. Step 4: Simplify right side
    3,942.94x = 12,317,959.32
  5. Step 5: Solve for x
    x = 12,317,959.32/3,942.94
  6. Step 6: Final answer
    x = 3,124.05

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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.