Home / 5,074.05-7,001.64-2,836.02

Finding the Fourth Proportional to 5,074.05, 7,001.64 and 2,836.02

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Solution

The fourth proportional to 5,074.05, 7,001.64 and 2,836.02 is: 3,913.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.05 : 7,001.64 = 2,836.02 : x
  2. Step 2: Convert to fraction form
    5,074.05/7,001.64 = 2,836.02/x
  3. Step 3: Cross multiply
    5,074.05x = 7,001.64 × 2,836.02
  4. Step 4: Simplify right side
    5,074.05x = 19,856,791.07
  5. Step 5: Solve for x
    x = 19,856,791.07/5,074.05
  6. Step 6: Final answer
    x = 3,913.40

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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.