Home / 5,247.02-7,240.97-2,889.11

Finding the Fourth Proportional to 5,247.02, 7,240.97 and 2,889.11

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Solution

The fourth proportional to 5,247.02, 7,240.97 and 2,889.11 is: 3,987.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.02 : 7,240.97 = 2,889.11 : x
  2. Step 2: Convert to fraction form
    5,247.02/7,240.97 = 2,889.11/x
  3. Step 3: Cross multiply
    5,247.02x = 7,240.97 × 2,889.11
  4. Step 4: Simplify right side
    5,247.02x = 20,919,929.85
  5. Step 5: Solve for x
    x = 20,919,929.85/5,247.02
  6. Step 6: Final answer
    x = 3,987.02

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.