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Finding the Fourth Proportional to 4,635.75, 6,945.49 and 3,860.74

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Solution

The fourth proportional to 4,635.75, 6,945.49 and 3,860.74 is: 5,784.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,635.75 : 6,945.49 = 3,860.74 : x
  2. Step 2: Convert to fraction form
    4,635.75/6,945.49 = 3,860.74/x
  3. Step 3: Cross multiply
    4,635.75x = 6,945.49 × 3,860.74
  4. Step 4: Simplify right side
    4,635.75x = 26,814,731.06
  5. Step 5: Solve for x
    x = 26,814,731.06/4,635.75
  6. Step 6: Final answer
    x = 5,784.34

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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.