Home / 2,784.50-4,175.89-1,834.62

Finding the Fourth Proportional to 2,784.50, 4,175.89 and 1,834.62

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Solution

The fourth proportional to 2,784.50, 4,175.89 and 1,834.62 is: 2,751.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784.50 : 4,175.89 = 1,834.62 : x
  2. Step 2: Convert to fraction form
    2,784.50/4,175.89 = 1,834.62/x
  3. Step 3: Cross multiply
    2,784.50x = 4,175.89 × 1,834.62
  4. Step 4: Simplify right side
    2,784.50x = 7,661,171.31
  5. Step 5: Solve for x
    x = 7,661,171.31/2,784.50
  6. Step 6: Final answer
    x = 2,751.36

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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.