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Finding the Fourth Proportional to 3,954.73, 5,931.96 and 1,875.73

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Solution

The fourth proportional to 3,954.73, 5,931.96 and 1,875.73 is: 2,813.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.73 : 5,931.96 = 1,875.73 : x
  2. Step 2: Convert to fraction form
    3,954.73/5,931.96 = 1,875.73/x
  3. Step 3: Cross multiply
    3,954.73x = 5,931.96 × 1,875.73
  4. Step 4: Simplify right side
    3,954.73x = 11,126,755.33
  5. Step 5: Solve for x
    x = 11,126,755.33/3,954.73
  6. Step 6: Final answer
    x = 2,813.53

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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.