Home / 5,227.36-7,213.60-2,837.22

Finding the Fourth Proportional to 5,227.36, 7,213.60 and 2,837.22

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Solution

The fourth proportional to 5,227.36, 7,213.60 and 2,837.22 is: 3,915.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.36 : 7,213.60 = 2,837.22 : x
  2. Step 2: Convert to fraction form
    5,227.36/7,213.60 = 2,837.22/x
  3. Step 3: Cross multiply
    5,227.36x = 7,213.60 × 2,837.22
  4. Step 4: Simplify right side
    5,227.36x = 20,466,570.19
  5. Step 5: Solve for x
    x = 20,466,570.19/5,227.36
  6. Step 6: Final answer
    x = 3,915.28

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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.