Home / 3,091.32-4,635.77-1,116.41

Finding the Fourth Proportional to 3,091.32, 4,635.77 and 1,116.41

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Solution

The fourth proportional to 3,091.32, 4,635.77 and 1,116.41 is: 1,674.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.32 : 4,635.77 = 1,116.41 : x
  2. Step 2: Convert to fraction form
    3,091.32/4,635.77 = 1,116.41/x
  3. Step 3: Cross multiply
    3,091.32x = 4,635.77 × 1,116.41
  4. Step 4: Simplify right side
    3,091.32x = 5,175,391.22
  5. Step 5: Solve for x
    x = 5,175,391.22/3,091.32
  6. Step 6: Final answer
    x = 1,674.17

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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.