Home / 3,402.50-4,695.44-1,910.42

Finding the Fourth Proportional to 3,402.50, 4,695.44 and 1,910.42

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Solution

The fourth proportional to 3,402.50, 4,695.44 and 1,910.42 is: 2,636.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,402.50 : 4,695.44 = 1,910.42 : x
  2. Step 2: Convert to fraction form
    3,402.50/4,695.44 = 1,910.42/x
  3. Step 3: Cross multiply
    3,402.50x = 4,695.44 × 1,910.42
  4. Step 4: Simplify right side
    3,402.50x = 8,970,243.78
  5. Step 5: Solve for x
    x = 8,970,243.78/3,402.50
  6. Step 6: Final answer
    x = 2,636.37

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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.