Home / 6,721.03-9,274.59-3,736.79

Finding the Fourth Proportional to 6,721.03, 9,274.59 and 3,736.79

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Solution

The fourth proportional to 6,721.03, 9,274.59 and 3,736.79 is: 5,156.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.03 : 9,274.59 = 3,736.79 : x
  2. Step 2: Convert to fraction form
    6,721.03/9,274.59 = 3,736.79/x
  3. Step 3: Cross multiply
    6,721.03x = 9,274.59 × 3,736.79
  4. Step 4: Simplify right side
    6,721.03x = 34,657,195.17
  5. Step 5: Solve for x
    x = 34,657,195.17/6,721.03
  6. Step 6: Final answer
    x = 5,156.53

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Why These Related Problems?

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