Home / 5,125.16-7,072.35-3,028.88

Finding the Fourth Proportional to 5,125.16, 7,072.35 and 3,028.88

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Solution

The fourth proportional to 5,125.16, 7,072.35 and 3,028.88 is: 4,179.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.16 : 7,072.35 = 3,028.88 : x
  2. Step 2: Convert to fraction form
    5,125.16/7,072.35 = 3,028.88/x
  3. Step 3: Cross multiply
    5,125.16x = 7,072.35 × 3,028.88
  4. Step 4: Simplify right side
    5,125.16x = 21,421,299.47
  5. Step 5: Solve for x
    x = 21,421,299.47/5,125.16
  6. Step 6: Final answer
    x = 4,179.64

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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.