Home / 3,362.08-5,042.40-1,413.76

Finding the Fourth Proportional to 3,362.08, 5,042.40 and 1,413.76

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Solution

The fourth proportional to 3,362.08, 5,042.40 and 1,413.76 is: 2,120.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,362.08 : 5,042.40 = 1,413.76 : x
  2. Step 2: Convert to fraction form
    3,362.08/5,042.40 = 1,413.76/x
  3. Step 3: Cross multiply
    3,362.08x = 5,042.40 × 1,413.76
  4. Step 4: Simplify right side
    3,362.08x = 7,128,743.42
  5. Step 5: Solve for x
    x = 7,128,743.42/3,362.08
  6. Step 6: Final answer
    x = 2,120.34

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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.