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Finding the Fourth Proportional to 3,530.84, 5,296.22 and 2,079.22

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Solution

The fourth proportional to 3,530.84, 5,296.22 and 2,079.22 is: 3,118.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.84 : 5,296.22 = 2,079.22 : x
  2. Step 2: Convert to fraction form
    3,530.84/5,296.22 = 2,079.22/x
  3. Step 3: Cross multiply
    3,530.84x = 5,296.22 × 2,079.22
  4. Step 4: Simplify right side
    3,530.84x = 11,012,006.55
  5. Step 5: Solve for x
    x = 11,012,006.55/3,530.84
  6. Step 6: Final answer
    x = 3,118.81

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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.