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Finding the Fourth Proportional to 3,783.95, 5,675.28 and 2,684.97

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Solution

The fourth proportional to 3,783.95, 5,675.28 and 2,684.97 is: 4,027.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783.95 : 5,675.28 = 2,684.97 : x
  2. Step 2: Convert to fraction form
    3,783.95/5,675.28 = 2,684.97/x
  3. Step 3: Cross multiply
    3,783.95x = 5,675.28 × 2,684.97
  4. Step 4: Simplify right side
    3,783.95x = 15,237,956.54
  5. Step 5: Solve for x
    x = 15,237,956.54/3,783.95
  6. Step 6: Final answer
    x = 4,027.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.