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Finding the Fourth Proportional to 5,940.57, 8,901.12 and 3,164.31

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Solution

The fourth proportional to 5,940.57, 8,901.12 and 3,164.31 is: 4,741.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,940.57 : 8,901.12 = 3,164.31 : x
  2. Step 2: Convert to fraction form
    5,940.57/8,901.12 = 3,164.31/x
  3. Step 3: Cross multiply
    5,940.57x = 8,901.12 × 3,164.31
  4. Step 4: Simplify right side
    5,940.57x = 28,165,903.03
  5. Step 5: Solve for x
    x = 28,165,903.03/5,940.57
  6. Step 6: Final answer
    x = 4,741.28

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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.