Home / 5,028-7,538.16-2,716.32

Finding the Fourth Proportional to 5,028, 7,538.16 and 2,716.32

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Solution

The fourth proportional to 5,028, 7,538.16 and 2,716.32 is: 4,072.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028 : 7,538.16 = 2,716.32 : x
  2. Step 2: Convert to fraction form
    5,028/7,538.16 = 2,716.32/x
  3. Step 3: Cross multiply
    5,028x = 7,538.16 × 2,716.32
  4. Step 4: Simplify right side
    5,028x = 20,476,054.77
  5. Step 5: Solve for x
    x = 20,476,054.77/5,028
  6. Step 6: Final answer
    x = 4,072.41

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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.