Home / 5,112.49-7,668.73-1,825.16

Finding the Fourth Proportional to 5,112.49, 7,668.73 and 1,825.16

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Solution

The fourth proportional to 5,112.49, 7,668.73 and 1,825.16 is: 2,737.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.49 : 7,668.73 = 1,825.16 : x
  2. Step 2: Convert to fraction form
    5,112.49/7,668.73 = 1,825.16/x
  3. Step 3: Cross multiply
    5,112.49x = 7,668.73 × 1,825.16
  4. Step 4: Simplify right side
    5,112.49x = 13,996,623.18
  5. Step 5: Solve for x
    x = 13,996,623.18/5,112.49
  6. Step 6: Final answer
    x = 2,737.73

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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.