Home / 4,081.74-6,124.32-2,135.22

Finding the Fourth Proportional to 4,081.74, 6,124.32 and 2,135.22

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Solution

The fourth proportional to 4,081.74, 6,124.32 and 2,135.22 is: 3,203.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.74 : 6,124.32 = 2,135.22 : x
  2. Step 2: Convert to fraction form
    4,081.74/6,124.32 = 2,135.22/x
  3. Step 3: Cross multiply
    4,081.74x = 6,124.32 × 2,135.22
  4. Step 4: Simplify right side
    4,081.74x = 13,076,770.55
  5. Step 5: Solve for x
    x = 13,076,770.55/4,081.74
  6. Step 6: Final answer
    x = 3,203.72

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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.