Home / 2,968.35-4,095.27-1,789.80

Finding the Fourth Proportional to 2,968.35, 4,095.27 and 1,789.80

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Solution

The fourth proportional to 2,968.35, 4,095.27 and 1,789.80 is: 2,469.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,968.35 : 4,095.27 = 1,789.80 : x
  2. Step 2: Convert to fraction form
    2,968.35/4,095.27 = 1,789.80/x
  3. Step 3: Cross multiply
    2,968.35x = 4,095.27 × 1,789.80
  4. Step 4: Simplify right side
    2,968.35x = 7,329,714.25
  5. Step 5: Solve for x
    x = 7,329,714.25/2,968.35
  6. Step 6: Final answer
    x = 2,469.29

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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.