Home / 4,219.11-5,827.53-3,161.61

Finding the Fourth Proportional to 4,219.11, 5,827.53 and 3,161.61

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Solution

The fourth proportional to 4,219.11, 5,827.53 and 3,161.61 is: 4,366.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.11 : 5,827.53 = 3,161.61 : x
  2. Step 2: Convert to fraction form
    4,219.11/5,827.53 = 3,161.61/x
  3. Step 3: Cross multiply
    4,219.11x = 5,827.53 × 3,161.61
  4. Step 4: Simplify right side
    4,219.11x = 18,424,377.12
  5. Step 5: Solve for x
    x = 18,424,377.12/4,219.11
  6. Step 6: Final answer
    x = 4,366.89

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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.