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Finding the Fourth Proportional to 3,131.84, 4,324.84 and 2,344.52

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Solution

The fourth proportional to 3,131.84, 4,324.84 and 2,344.52 is: 3,237.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131.84 : 4,324.84 = 2,344.52 : x
  2. Step 2: Convert to fraction form
    3,131.84/4,324.84 = 2,344.52/x
  3. Step 3: Cross multiply
    3,131.84x = 4,324.84 × 2,344.52
  4. Step 4: Simplify right side
    3,131.84x = 10,139,646.39
  5. Step 5: Solve for x
    x = 10,139,646.39/3,131.84
  6. Step 6: Final answer
    x = 3,237.61

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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.