Home / 3,020.73-4,531.47-1,072.95

Finding the Fourth Proportional to 3,020.73, 4,531.47 and 1,072.95

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Solution

The fourth proportional to 3,020.73, 4,531.47 and 1,072.95 is: 1,609.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.73 : 4,531.47 = 1,072.95 : x
  2. Step 2: Convert to fraction form
    3,020.73/4,531.47 = 1,072.95/x
  3. Step 3: Cross multiply
    3,020.73x = 4,531.47 × 1,072.95
  4. Step 4: Simplify right side
    3,020.73x = 4,862,040.74
  5. Step 5: Solve for x
    x = 4,862,040.74/3,020.73
  6. Step 6: Final answer
    x = 1,609.56

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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.