Home / 3,402.10-5,103.69-1,553.86

Finding the Fourth Proportional to 3,402.10, 5,103.69 and 1,553.86

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Solution

The fourth proportional to 3,402.10, 5,103.69 and 1,553.86 is: 2,331.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,402.10 : 5,103.69 = 1,553.86 : x
  2. Step 2: Convert to fraction form
    3,402.10/5,103.69 = 1,553.86/x
  3. Step 3: Cross multiply
    3,402.10x = 5,103.69 × 1,553.86
  4. Step 4: Simplify right side
    3,402.10x = 7,930,419.74
  5. Step 5: Solve for x
    x = 7,930,419.74/3,402.10
  6. Step 6: Final answer
    x = 2,331.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.