Home / 3,340.24-5,035.72-3,161.68

Finding the Fourth Proportional to 3,340.24, 5,035.72 and 3,161.68

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Solution

The fourth proportional to 3,340.24, 5,035.72 and 3,161.68 is: 4,766.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.24 : 5,035.72 = 3,161.68 : x
  2. Step 2: Convert to fraction form
    3,340.24/5,035.72 = 3,161.68/x
  3. Step 3: Cross multiply
    3,340.24x = 5,035.72 × 3,161.68
  4. Step 4: Simplify right side
    3,340.24x = 15,921,335.21
  5. Step 5: Solve for x
    x = 15,921,335.21/3,340.24
  6. Step 6: Final answer
    x = 4,766.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.