Home / 3,316.29-4,969.50-2,079.96

Finding the Fourth Proportional to 3,316.29, 4,969.50 and 2,079.96

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Solution

The fourth proportional to 3,316.29, 4,969.50 and 2,079.96 is: 3,116.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.29 : 4,969.50 = 2,079.96 : x
  2. Step 2: Convert to fraction form
    3,316.29/4,969.50 = 2,079.96/x
  3. Step 3: Cross multiply
    3,316.29x = 4,969.50 × 2,079.96
  4. Step 4: Simplify right side
    3,316.29x = 10,336,361.22
  5. Step 5: Solve for x
    x = 10,336,361.22/3,316.29
  6. Step 6: Final answer
    x = 3,116.84

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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.