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Finding the Fourth Proportional to 3,953.86, 5,458.92 and 2,463.86

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Solution

The fourth proportional to 3,953.86, 5,458.92 and 2,463.86 is: 3,401.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953.86 : 5,458.92 = 2,463.86 : x
  2. Step 2: Convert to fraction form
    3,953.86/5,458.92 = 2,463.86/x
  3. Step 3: Cross multiply
    3,953.86x = 5,458.92 × 2,463.86
  4. Step 4: Simplify right side
    3,953.86x = 13,450,014.63
  5. Step 5: Solve for x
    x = 13,450,014.63/3,953.86
  6. Step 6: Final answer
    x = 3,401.74

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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.