Home / 3,951.13-5,451.84-2,553.07

Finding the Fourth Proportional to 3,951.13, 5,451.84 and 2,553.07

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Solution

The fourth proportional to 3,951.13, 5,451.84 and 2,553.07 is: 3,522.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.13 : 5,451.84 = 2,553.07 : x
  2. Step 2: Convert to fraction form
    3,951.13/5,451.84 = 2,553.07/x
  3. Step 3: Cross multiply
    3,951.13x = 5,451.84 × 2,553.07
  4. Step 4: Simplify right side
    3,951.13x = 13,918,889.12
  5. Step 5: Solve for x
    x = 13,918,889.12/3,951.13
  6. Step 6: Final answer
    x = 3,522.77

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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.