Home / 5,197.56-7,170.05-3,072.06

Finding the Fourth Proportional to 5,197.56, 7,170.05 and 3,072.06

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Solution

The fourth proportional to 5,197.56, 7,170.05 and 3,072.06 is: 4,237.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,197.56 : 7,170.05 = 3,072.06 : x
  2. Step 2: Convert to fraction form
    5,197.56/7,170.05 = 3,072.06/x
  3. Step 3: Cross multiply
    5,197.56x = 7,170.05 × 3,072.06
  4. Step 4: Simplify right side
    5,197.56x = 22,026,823.80
  5. Step 5: Solve for x
    x = 22,026,823.80/5,197.56
  6. Step 6: Final answer
    x = 4,237.92

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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.