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Finding the Fourth Proportional to 3,867.41, 5,801.00 and 945.65

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Solution

The fourth proportional to 3,867.41, 5,801.00 and 945.65 is: 1,418.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.41 : 5,801.00 = 945.65 : x
  2. Step 2: Convert to fraction form
    3,867.41/5,801.00 = 945.65/x
  3. Step 3: Cross multiply
    3,867.41x = 5,801.00 × 945.65
  4. Step 4: Simplify right side
    3,867.41x = 5,485,681.92
  5. Step 5: Solve for x
    x = 5,485,681.92/3,867.41
  6. Step 6: Final answer
    x = 1,418.44

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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.