Home / 5,153.63-7,731.48-2,192.06

Finding the Fourth Proportional to 5,153.63, 7,731.48 and 2,192.06

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Solution

The fourth proportional to 5,153.63, 7,731.48 and 2,192.06 is: 3,288.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.63 : 7,731.48 = 2,192.06 : x
  2. Step 2: Convert to fraction form
    5,153.63/7,731.48 = 2,192.06/x
  3. Step 3: Cross multiply
    5,153.63x = 7,731.48 × 2,192.06
  4. Step 4: Simplify right side
    5,153.63x = 16,947,868.05
  5. Step 5: Solve for x
    x = 16,947,868.05/5,153.63
  6. Step 6: Final answer
    x = 3,288.53

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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.