Home / 3,184.77-4,400.69-2,491.41

Finding the Fourth Proportional to 3,184.77, 4,400.69 and 2,491.41

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Solution

The fourth proportional to 3,184.77, 4,400.69 and 2,491.41 is: 3,442.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.77 : 4,400.69 = 2,491.41 : x
  2. Step 2: Convert to fraction form
    3,184.77/4,400.69 = 2,491.41/x
  3. Step 3: Cross multiply
    3,184.77x = 4,400.69 × 2,491.41
  4. Step 4: Simplify right side
    3,184.77x = 10,963,910.62
  5. Step 5: Solve for x
    x = 10,963,910.62/3,184.77
  6. Step 6: Final answer
    x = 3,442.61

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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.