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Finding the Fourth Proportional to 3,258.88, 4,867.84 and 2,740.48

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Solution

The fourth proportional to 3,258.88, 4,867.84 and 2,740.48 is: 4,093.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.88 : 4,867.84 = 2,740.48 : x
  2. Step 2: Convert to fraction form
    3,258.88/4,867.84 = 2,740.48/x
  3. Step 3: Cross multiply
    3,258.88x = 4,867.84 × 2,740.48
  4. Step 4: Simplify right side
    3,258.88x = 13,340,218.16
  5. Step 5: Solve for x
    x = 13,340,218.16/3,258.88
  6. Step 6: Final answer
    x = 4,093.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.