Home / 5,119.02-7,676.10-2,927.16

Finding the Fourth Proportional to 5,119.02, 7,676.10 and 2,927.16

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Solution

The fourth proportional to 5,119.02, 7,676.10 and 2,927.16 is: 4,389.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,119.02 : 7,676.10 = 2,927.16 : x
  2. Step 2: Convert to fraction form
    5,119.02/7,676.10 = 2,927.16/x
  3. Step 3: Cross multiply
    5,119.02x = 7,676.10 × 2,927.16
  4. Step 4: Simplify right side
    5,119.02x = 22,469,172.88
  5. Step 5: Solve for x
    x = 22,469,172.88/5,119.02
  6. Step 6: Final answer
    x = 4,389.35

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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.