Home / 2,968.65-4,442.45-2,186.80

Finding the Fourth Proportional to 2,968.65, 4,442.45 and 2,186.80

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Solution

The fourth proportional to 2,968.65, 4,442.45 and 2,186.80 is: 3,272.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,968.65 : 4,442.45 = 2,186.80 : x
  2. Step 2: Convert to fraction form
    2,968.65/4,442.45 = 2,186.80/x
  3. Step 3: Cross multiply
    2,968.65x = 4,442.45 × 2,186.80
  4. Step 4: Simplify right side
    2,968.65x = 9,714,727.62
  5. Step 5: Solve for x
    x = 9,714,727.62/2,968.65
  6. Step 6: Final answer
    x = 3,272.44

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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.