Home / 5,093.69-7,639.72-3,118.64

Finding the Fourth Proportional to 5,093.69, 7,639.72 and 3,118.64

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Solution

The fourth proportional to 5,093.69, 7,639.72 and 3,118.64 is: 4,677.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,093.69 : 7,639.72 = 3,118.64 : x
  2. Step 2: Convert to fraction form
    5,093.69/7,639.72 = 3,118.64/x
  3. Step 3: Cross multiply
    5,093.69x = 7,639.72 × 3,118.64
  4. Step 4: Simplify right side
    5,093.69x = 23,825,536.38
  5. Step 5: Solve for x
    x = 23,825,536.38/5,093.69
  6. Step 6: Final answer
    x = 4,677.46

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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.