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Finding the Fourth Proportional to 3,375.99, 4,658.42 and 1,959.46

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Solution

The fourth proportional to 3,375.99, 4,658.42 and 1,959.46 is: 2,703.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.99 : 4,658.42 = 1,959.46 : x
  2. Step 2: Convert to fraction form
    3,375.99/4,658.42 = 1,959.46/x
  3. Step 3: Cross multiply
    3,375.99x = 4,658.42 × 1,959.46
  4. Step 4: Simplify right side
    3,375.99x = 9,127,980.91
  5. Step 5: Solve for x
    x = 9,127,980.91/3,375.99
  6. Step 6: Final answer
    x = 2,703.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.