Home / 4,291.84-6,438.39-1,694.08

Finding the Fourth Proportional to 4,291.84, 6,438.39 and 1,694.08

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Solution

The fourth proportional to 4,291.84, 6,438.39 and 1,694.08 is: 2,541.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,291.84 : 6,438.39 = 1,694.08 : x
  2. Step 2: Convert to fraction form
    4,291.84/6,438.39 = 1,694.08/x
  3. Step 3: Cross multiply
    4,291.84x = 6,438.39 × 1,694.08
  4. Step 4: Simplify right side
    4,291.84x = 10,907,147.73
  5. Step 5: Solve for x
    x = 10,907,147.73/4,291.84
  6. Step 6: Final answer
    x = 2,541.37

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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.