Home / 5,022.78-7,536.45-2,102.94

Finding the Fourth Proportional to 5,022.78, 7,536.45 and 2,102.94

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Solution

The fourth proportional to 5,022.78, 7,536.45 and 2,102.94 is: 3,155.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,022.78 : 7,536.45 = 2,102.94 : x
  2. Step 2: Convert to fraction form
    5,022.78/7,536.45 = 2,102.94/x
  3. Step 3: Cross multiply
    5,022.78x = 7,536.45 × 2,102.94
  4. Step 4: Simplify right side
    5,022.78x = 15,848,702.16
  5. Step 5: Solve for x
    x = 15,848,702.16/5,022.78
  6. Step 6: Final answer
    x = 3,155.36

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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.