Home / 3,530.45-4,874.78-2,411.43

Finding the Fourth Proportional to 3,530.45, 4,874.78 and 2,411.43

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Solution

The fourth proportional to 3,530.45, 4,874.78 and 2,411.43 is: 3,329.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.45 : 4,874.78 = 2,411.43 : x
  2. Step 2: Convert to fraction form
    3,530.45/4,874.78 = 2,411.43/x
  3. Step 3: Cross multiply
    3,530.45x = 4,874.78 × 2,411.43
  4. Step 4: Simplify right side
    3,530.45x = 11,755,178.68
  5. Step 5: Solve for x
    x = 11,755,178.68/3,530.45
  6. Step 6: Final answer
    x = 3,329.66

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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.