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Finding the Fourth Proportional to 2,846.75, 3,927.02 and 1,667.66

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Solution

The fourth proportional to 2,846.75, 3,927.02 and 1,667.66 is: 2,300.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,846.75 : 3,927.02 = 1,667.66 : x
  2. Step 2: Convert to fraction form
    2,846.75/3,927.02 = 1,667.66/x
  3. Step 3: Cross multiply
    2,846.75x = 3,927.02 × 1,667.66
  4. Step 4: Simplify right side
    2,846.75x = 6,548,906.20
  5. Step 5: Solve for x
    x = 6,548,906.20/2,846.75
  6. Step 6: Final answer
    x = 2,300.49

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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.