Home / 4,854.50-7,282.97-1,391.75

Finding the Fourth Proportional to 4,854.50, 7,282.97 and 1,391.75

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Solution

The fourth proportional to 4,854.50, 7,282.97 and 1,391.75 is: 2,087.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,854.50 : 7,282.97 = 1,391.75 : x
  2. Step 2: Convert to fraction form
    4,854.50/7,282.97 = 1,391.75/x
  3. Step 3: Cross multiply
    4,854.50x = 7,282.97 × 1,391.75
  4. Step 4: Simplify right side
    4,854.50x = 10,136,066.54
  5. Step 5: Solve for x
    x = 10,136,066.54/4,854.50
  6. Step 6: Final answer
    x = 2,087.97

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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.