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Finding the Fourth Proportional to 3,498.93, 5,245.90 and 1,649.07

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Solution

The fourth proportional to 3,498.93, 5,245.90 and 1,649.07 is: 2,472.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,498.93 : 5,245.90 = 1,649.07 : x
  2. Step 2: Convert to fraction form
    3,498.93/5,245.90 = 1,649.07/x
  3. Step 3: Cross multiply
    3,498.93x = 5,245.90 × 1,649.07
  4. Step 4: Simplify right side
    3,498.93x = 8,650,852.19
  5. Step 5: Solve for x
    x = 8,650,852.19/3,498.93
  6. Step 6: Final answer
    x = 2,472.43

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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.