Home / 7,410.33-11,118.74-2,792.25

Finding the Fourth Proportional to 7,410.33, 11,118.74 and 2,792.25

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Solution

The fourth proportional to 7,410.33, 11,118.74 and 2,792.25 is: 4,189.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,410.33 : 11,118.74 = 2,792.25 : x
  2. Step 2: Convert to fraction form
    7,410.33/11,118.74 = 2,792.25/x
  3. Step 3: Cross multiply
    7,410.33x = 11,118.74 × 2,792.25
  4. Step 4: Simplify right side
    7,410.33x = 31,046,287.80
  5. Step 5: Solve for x
    x = 31,046,287.80/7,410.33
  6. Step 6: Final answer
    x = 4,189.60

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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.