Home / 3,361.55-5,042.96-1,140.58

Finding the Fourth Proportional to 3,361.55, 5,042.96 and 1,140.58

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Solution

The fourth proportional to 3,361.55, 5,042.96 and 1,140.58 is: 1,711.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361.55 : 5,042.96 = 1,140.58 : x
  2. Step 2: Convert to fraction form
    3,361.55/5,042.96 = 1,140.58/x
  3. Step 3: Cross multiply
    3,361.55x = 5,042.96 × 1,140.58
  4. Step 4: Simplify right side
    3,361.55x = 5,751,904.19
  5. Step 5: Solve for x
    x = 5,751,904.19/3,361.55
  6. Step 6: Final answer
    x = 1,711.09

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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.