Home / 3,413.48-4,710.62-1,921.93

Finding the Fourth Proportional to 3,413.48, 4,710.62 and 1,921.93

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Solution

The fourth proportional to 3,413.48, 4,710.62 and 1,921.93 is: 2,652.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.48 : 4,710.62 = 1,921.93 : x
  2. Step 2: Convert to fraction form
    3,413.48/4,710.62 = 1,921.93/x
  3. Step 3: Cross multiply
    3,413.48x = 4,710.62 × 1,921.93
  4. Step 4: Simplify right side
    3,413.48x = 9,053,474.92
  5. Step 5: Solve for x
    x = 9,053,474.92/3,413.48
  6. Step 6: Final answer
    x = 2,652.28

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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.