Home / 3,402.97-4,695.85-1,910.60

Finding the Fourth Proportional to 3,402.97, 4,695.85 and 1,910.60

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Solution

The fourth proportional to 3,402.97, 4,695.85 and 1,910.60 is: 2,636.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,402.97 : 4,695.85 = 1,910.60 : x
  2. Step 2: Convert to fraction form
    3,402.97/4,695.85 = 1,910.60/x
  3. Step 3: Cross multiply
    3,402.97x = 4,695.85 × 1,910.60
  4. Step 4: Simplify right side
    3,402.97x = 8,971,891.01
  5. Step 5: Solve for x
    x = 8,971,891.01/3,402.97
  6. Step 6: Final answer
    x = 2,636.49

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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.