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Finding the Fourth Proportional to 3,957.76, 5,947.41 and 2,110.18

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Solution

The fourth proportional to 3,957.76, 5,947.41 and 2,110.18 is: 3,171.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957.76 : 5,947.41 = 2,110.18 : x
  2. Step 2: Convert to fraction form
    3,957.76/5,947.41 = 2,110.18/x
  3. Step 3: Cross multiply
    3,957.76x = 5,947.41 × 2,110.18
  4. Step 4: Simplify right side
    3,957.76x = 12,550,105.63
  5. Step 5: Solve for x
    x = 12,550,105.63/3,957.76
  6. Step 6: Final answer
    x = 3,171.01

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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.