Home / 5,415.08-8,112.88-5,036

Finding the Fourth Proportional to 5,415.08, 8,112.88 and 5,036

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Solution

The fourth proportional to 5,415.08, 8,112.88 and 5,036 is: 7,544.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.08 : 8,112.88 = 5,036 : x
  2. Step 2: Convert to fraction form
    5,415.08/8,112.88 = 5,036/x
  3. Step 3: Cross multiply
    5,415.08x = 8,112.88 × 5,036
  4. Step 4: Simplify right side
    5,415.08x = 40,856,463.68
  5. Step 5: Solve for x
    x = 40,856,463.68/5,415.08
  6. Step 6: Final answer
    x = 7,544.94

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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.