Home / 3,493.08-5,239.55-1,413.06

Finding the Fourth Proportional to 3,493.08, 5,239.55 and 1,413.06

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Solution

The fourth proportional to 3,493.08, 5,239.55 and 1,413.06 is: 2,119.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493.08 : 5,239.55 = 1,413.06 : x
  2. Step 2: Convert to fraction form
    3,493.08/5,239.55 = 1,413.06/x
  3. Step 3: Cross multiply
    3,493.08x = 5,239.55 × 1,413.06
  4. Step 4: Simplify right side
    3,493.08x = 7,403,798.52
  5. Step 5: Solve for x
    x = 7,403,798.52/3,493.08
  6. Step 6: Final answer
    x = 2,119.56

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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.