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Finding the Fourth Proportional to 4,331.54, 5,977.54 and 2,540.07

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Solution

The fourth proportional to 4,331.54, 5,977.54 and 2,540.07 is: 3,505.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,331.54 : 5,977.54 = 2,540.07 : x
  2. Step 2: Convert to fraction form
    4,331.54/5,977.54 = 2,540.07/x
  3. Step 3: Cross multiply
    4,331.54x = 5,977.54 × 2,540.07
  4. Step 4: Simplify right side
    4,331.54x = 15,183,370.03
  5. Step 5: Solve for x
    x = 15,183,370.03/4,331.54
  6. Step 6: Final answer
    x = 3,505.31

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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.