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Finding the Fourth Proportional to 3,958.48, 5,943.12 and 2,228.32

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Solution

The fourth proportional to 3,958.48, 5,943.12 and 2,228.32 is: 3,345.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.48 : 5,943.12 = 2,228.32 : x
  2. Step 2: Convert to fraction form
    3,958.48/5,943.12 = 2,228.32/x
  3. Step 3: Cross multiply
    3,958.48x = 5,943.12 × 2,228.32
  4. Step 4: Simplify right side
    3,958.48x = 13,243,173.16
  5. Step 5: Solve for x
    x = 13,243,173.16/3,958.48
  6. Step 6: Final answer
    x = 3,345.52

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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.