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Finding the Fourth Proportional to 3,955.90, 5,932.47 and 1,358.23

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Solution

The fourth proportional to 3,955.90, 5,932.47 and 1,358.23 is: 2,036.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.90 : 5,932.47 = 1,358.23 : x
  2. Step 2: Convert to fraction form
    3,955.90/5,932.47 = 1,358.23/x
  3. Step 3: Cross multiply
    3,955.90x = 5,932.47 × 1,358.23
  4. Step 4: Simplify right side
    3,955.90x = 8,057,658.73
  5. Step 5: Solve for x
    x = 8,057,658.73/3,955.90
  6. Step 6: Final answer
    x = 2,036.87

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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.