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Finding the Fourth Proportional to 3,958.58, 5,932.20 and 2,223.56

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Solution

The fourth proportional to 3,958.58, 5,932.20 and 2,223.56 is: 3,332.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.58 : 5,932.20 = 2,223.56 : x
  2. Step 2: Convert to fraction form
    3,958.58/5,932.20 = 2,223.56/x
  3. Step 3: Cross multiply
    3,958.58x = 5,932.20 × 2,223.56
  4. Step 4: Simplify right side
    3,958.58x = 13,190,602.63
  5. Step 5: Solve for x
    x = 13,190,602.63/3,958.58
  6. Step 6: Final answer
    x = 3,332.16

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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.