Home / 3,400.45-5,103.41-1,757.48

Finding the Fourth Proportional to 3,400.45, 5,103.41 and 1,757.48

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Solution

The fourth proportional to 3,400.45, 5,103.41 and 1,757.48 is: 2,637.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.45 : 5,103.41 = 1,757.48 : x
  2. Step 2: Convert to fraction form
    3,400.45/5,103.41 = 1,757.48/x
  3. Step 3: Cross multiply
    3,400.45x = 5,103.41 × 1,757.48
  4. Step 4: Simplify right side
    3,400.45x = 8,969,106.70
  5. Step 5: Solve for x
    x = 8,969,106.70/3,400.45
  6. Step 6: Final answer
    x = 2,637.63

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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.