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Finding the Fourth Proportional to 4,994.52, 6,891.21 and 3,398.34

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Solution

The fourth proportional to 4,994.52, 6,891.21 and 3,398.34 is: 4,688.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,994.52 : 6,891.21 = 3,398.34 : x
  2. Step 2: Convert to fraction form
    4,994.52/6,891.21 = 3,398.34/x
  3. Step 3: Cross multiply
    4,994.52x = 6,891.21 × 3,398.34
  4. Step 4: Simplify right side
    4,994.52x = 23,418,674.59
  5. Step 5: Solve for x
    x = 23,418,674.59/4,994.52
  6. Step 6: Final answer
    x = 4,688.87

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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.