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Finding the Fourth Proportional to 3,658.95, 5,046.39 and 2,950.59

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Solution

The fourth proportional to 3,658.95, 5,046.39 and 2,950.59 is: 4,069.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,658.95 : 5,046.39 = 2,950.59 : x
  2. Step 2: Convert to fraction form
    3,658.95/5,046.39 = 2,950.59/x
  3. Step 3: Cross multiply
    3,658.95x = 5,046.39 × 2,950.59
  4. Step 4: Simplify right side
    3,658.95x = 14,889,827.87
  5. Step 5: Solve for x
    x = 14,889,827.87/3,658.95
  6. Step 6: Final answer
    x = 4,069.43

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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.