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Finding the Fourth Proportional to 3,370.98, 4,651.98 and 1,954.96

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Solution

The fourth proportional to 3,370.98, 4,651.98 and 1,954.96 is: 2,697.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.98 : 4,651.98 = 1,954.96 : x
  2. Step 2: Convert to fraction form
    3,370.98/4,651.98 = 1,954.96/x
  3. Step 3: Cross multiply
    3,370.98x = 4,651.98 × 1,954.96
  4. Step 4: Simplify right side
    3,370.98x = 9,094,434.82
  5. Step 5: Solve for x
    x = 9,094,434.82/3,370.98
  6. Step 6: Final answer
    x = 2,697.86

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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.