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Finding the Fourth Proportional to 2,540.66, 3,503.54 and 1,544.97

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Solution

The fourth proportional to 2,540.66, 3,503.54 and 1,544.97 is: 2,130.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540.66 : 3,503.54 = 1,544.97 : x
  2. Step 2: Convert to fraction form
    2,540.66/3,503.54 = 1,544.97/x
  3. Step 3: Cross multiply
    2,540.66x = 3,503.54 × 1,544.97
  4. Step 4: Simplify right side
    2,540.66x = 5,412,847.71
  5. Step 5: Solve for x
    x = 5,412,847.71/2,540.66
  6. Step 6: Final answer
    x = 2,130.49

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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.