Home / 3,511.16-4,845.15-1,939.13

Finding the Fourth Proportional to 3,511.16, 4,845.15 and 1,939.13

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Solution

The fourth proportional to 3,511.16, 4,845.15 and 1,939.13 is: 2,675.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.16 : 4,845.15 = 1,939.13 : x
  2. Step 2: Convert to fraction form
    3,511.16/4,845.15 = 1,939.13/x
  3. Step 3: Cross multiply
    3,511.16x = 4,845.15 × 1,939.13
  4. Step 4: Simplify right side
    3,511.16x = 9,395,351.49
  5. Step 5: Solve for x
    x = 9,395,351.49/3,511.16
  6. Step 6: Final answer
    x = 2,675.86

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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.