Home / 2,972.11-4,458.07-1,413.24

Finding the Fourth Proportional to 2,972.11, 4,458.07 and 1,413.24

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Solution

The fourth proportional to 2,972.11, 4,458.07 and 1,413.24 is: 2,119.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.11 : 4,458.07 = 1,413.24 : x
  2. Step 2: Convert to fraction form
    2,972.11/4,458.07 = 1,413.24/x
  3. Step 3: Cross multiply
    2,972.11x = 4,458.07 × 1,413.24
  4. Step 4: Simplify right side
    2,972.11x = 6,300,322.85
  5. Step 5: Solve for x
    x = 6,300,322.85/2,972.11
  6. Step 6: Final answer
    x = 2,119.81

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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.