Home / 4,081.43-5,632.39-2,218.43

Finding the Fourth Proportional to 4,081.43, 5,632.39 and 2,218.43

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Solution

The fourth proportional to 4,081.43, 5,632.39 and 2,218.43 is: 3,061.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.43 : 5,632.39 = 2,218.43 : x
  2. Step 2: Convert to fraction form
    4,081.43/5,632.39 = 2,218.43/x
  3. Step 3: Cross multiply
    4,081.43x = 5,632.39 × 2,218.43
  4. Step 4: Simplify right side
    4,081.43x = 12,495,051.86
  5. Step 5: Solve for x
    x = 12,495,051.86/4,081.43
  6. Step 6: Final answer
    x = 3,061.44

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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.