Home / 3,068.22-4,231.35-2,005.02

Finding the Fourth Proportional to 3,068.22, 4,231.35 and 2,005.02

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Solution

The fourth proportional to 3,068.22, 4,231.35 and 2,005.02 is: 2,765.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068.22 : 4,231.35 = 2,005.02 : x
  2. Step 2: Convert to fraction form
    3,068.22/4,231.35 = 2,005.02/x
  3. Step 3: Cross multiply
    3,068.22x = 4,231.35 × 2,005.02
  4. Step 4: Simplify right side
    3,068.22x = 8,483,941.38
  5. Step 5: Solve for x
    x = 8,483,941.38/3,068.22
  6. Step 6: Final answer
    x = 2,765.10

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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.