Home / 5,237.70-7,227.27-2,999.22

Finding the Fourth Proportional to 5,237.70, 7,227.27 and 2,999.22

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Solution

The fourth proportional to 5,237.70, 7,227.27 and 2,999.22 is: 4,138.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.70 : 7,227.27 = 2,999.22 : x
  2. Step 2: Convert to fraction form
    5,237.70/7,227.27 = 2,999.22/x
  3. Step 3: Cross multiply
    5,237.70x = 7,227.27 × 2,999.22
  4. Step 4: Simplify right side
    5,237.70x = 21,676,172.73
  5. Step 5: Solve for x
    x = 21,676,172.73/5,237.70
  6. Step 6: Final answer
    x = 4,138.49

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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.