Home / 5,213.31-7,194.37-2,823.30

Finding the Fourth Proportional to 5,213.31, 7,194.37 and 2,823.30

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Solution

The fourth proportional to 5,213.31, 7,194.37 and 2,823.30 is: 3,896.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.31 : 7,194.37 = 2,823.30 : x
  2. Step 2: Convert to fraction form
    5,213.31/7,194.37 = 2,823.30/x
  3. Step 3: Cross multiply
    5,213.31x = 7,194.37 × 2,823.30
  4. Step 4: Simplify right side
    5,213.31x = 20,311,864.82
  5. Step 5: Solve for x
    x = 20,311,864.82/5,213.31
  6. Step 6: Final answer
    x = 3,896.16

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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.