Home / 5,371.75-7,413.91-3,133.63

Finding the Fourth Proportional to 5,371.75, 7,413.91 and 3,133.63

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Solution

The fourth proportional to 5,371.75, 7,413.91 and 3,133.63 is: 4,324.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371.75 : 7,413.91 = 3,133.63 : x
  2. Step 2: Convert to fraction form
    5,371.75/7,413.91 = 3,133.63/x
  3. Step 3: Cross multiply
    5,371.75x = 7,413.91 × 3,133.63
  4. Step 4: Simplify right side
    5,371.75x = 23,232,450.79
  5. Step 5: Solve for x
    x = 23,232,450.79/5,371.75
  6. Step 6: Final answer
    x = 4,324.93

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1.5x scale

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.