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Finding the Fourth Proportional to 2,998.17, 4,137.17 and 1,739.63

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Solution

The fourth proportional to 2,998.17, 4,137.17 and 1,739.63 is: 2,400.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.17 : 4,137.17 = 1,739.63 : x
  2. Step 2: Convert to fraction form
    2,998.17/4,137.17 = 1,739.63/x
  3. Step 3: Cross multiply
    2,998.17x = 4,137.17 × 1,739.63
  4. Step 4: Simplify right side
    2,998.17x = 7,197,145.05
  5. Step 5: Solve for x
    x = 7,197,145.05/2,998.17
  6. Step 6: Final answer
    x = 2,400.51

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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.