Home / 4,536-6,839.64-3,680.64

Finding the Fourth Proportional to 4,536, 6,839.64 and 3,680.64

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Solution

The fourth proportional to 4,536, 6,839.64 and 3,680.64 is: 5,549.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,536 : 6,839.64 = 3,680.64 : x
  2. Step 2: Convert to fraction form
    4,536/6,839.64 = 3,680.64/x
  3. Step 3: Cross multiply
    4,536x = 6,839.64 × 3,680.64
  4. Step 4: Simplify right side
    4,536x = 25,174,252.57
  5. Step 5: Solve for x
    x = 25,174,252.57/4,536
  6. Step 6: Final answer
    x = 5,549.88

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.