Home / 7,222.19-10,830.54-2,837.25

Finding the Fourth Proportional to 7,222.19, 10,830.54 and 2,837.25

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Solution

The fourth proportional to 7,222.19, 10,830.54 and 2,837.25 is: 4,254.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222.19 : 10,830.54 = 2,837.25 : x
  2. Step 2: Convert to fraction form
    7,222.19/10,830.54 = 2,837.25/x
  3. Step 3: Cross multiply
    7,222.19x = 10,830.54 × 2,837.25
  4. Step 4: Simplify right side
    7,222.19x = 30,728,949.62
  5. Step 5: Solve for x
    x = 30,728,949.62/7,222.19
  6. Step 6: Final answer
    x = 4,254.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.