Home / 2,455.46-3,343.20-2,447.68

Finding the Fourth Proportional to 2,455.46, 3,343.20 and 2,447.68

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Solution

The fourth proportional to 2,455.46, 3,343.20 and 2,447.68 is: 3,332.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.46 : 3,343.20 = 2,447.68 : x
  2. Step 2: Convert to fraction form
    2,455.46/3,343.20 = 2,447.68/x
  3. Step 3: Cross multiply
    2,455.46x = 3,343.20 × 2,447.68
  4. Step 4: Simplify right side
    2,455.46x = 8,183,083.78
  5. Step 5: Solve for x
    x = 8,183,083.78/2,455.46
  6. Step 6: Final answer
    x = 3,332.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.