Home / 5,196.93-7,170.08-3,072.54

Finding the Fourth Proportional to 5,196.93, 7,170.08 and 3,072.54

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Solution

The fourth proportional to 5,196.93, 7,170.08 and 3,072.54 is: 4,239.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,196.93 : 7,170.08 = 3,072.54 : x
  2. Step 2: Convert to fraction form
    5,196.93/7,170.08 = 3,072.54/x
  3. Step 3: Cross multiply
    5,196.93x = 7,170.08 × 3,072.54
  4. Step 4: Simplify right side
    5,196.93x = 22,030,342.24
  5. Step 5: Solve for x
    x = 22,030,342.24/5,196.93
  6. Step 6: Final answer
    x = 4,239.11

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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.