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Finding the Fourth Proportional to 2,998.44, 4,137.87 and 1,740.25

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Solution

The fourth proportional to 2,998.44, 4,137.87 and 1,740.25 is: 2,401.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.44 : 4,137.87 = 1,740.25 : x
  2. Step 2: Convert to fraction form
    2,998.44/4,137.87 = 1,740.25/x
  3. Step 3: Cross multiply
    2,998.44x = 4,137.87 × 1,740.25
  4. Step 4: Simplify right side
    2,998.44x = 7,200,921.19
  5. Step 5: Solve for x
    x = 7,200,921.19/2,998.44
  6. Step 6: Final answer
    x = 2,401.55

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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.