Home / 3,511.78-4,844.55-2,331.34

Finding the Fourth Proportional to 3,511.78, 4,844.55 and 2,331.34

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Solution

The fourth proportional to 3,511.78, 4,844.55 and 2,331.34 is: 3,216.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.78 : 4,844.55 = 2,331.34 : x
  2. Step 2: Convert to fraction form
    3,511.78/4,844.55 = 2,331.34/x
  3. Step 3: Cross multiply
    3,511.78x = 4,844.55 × 2,331.34
  4. Step 4: Simplify right side
    3,511.78x = 11,294,293.20
  5. Step 5: Solve for x
    x = 11,294,293.20/3,511.78
  6. Step 6: Final answer
    x = 3,216.12

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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.