Home / 5,274.30-7,896.87-2,664.48

Finding the Fourth Proportional to 5,274.30, 7,896.87 and 2,664.48

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Solution

The fourth proportional to 5,274.30, 7,896.87 and 2,664.48 is: 3,989.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274.30 : 7,896.87 = 2,664.48 : x
  2. Step 2: Convert to fraction form
    5,274.30/7,896.87 = 2,664.48/x
  3. Step 3: Cross multiply
    5,274.30x = 7,896.87 × 2,664.48
  4. Step 4: Simplify right side
    5,274.30x = 21,041,052.18
  5. Step 5: Solve for x
    x = 21,041,052.18/5,274.30
  6. Step 6: Final answer
    x = 3,989.35

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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.