Home / 2,413.25-3,636.09-2,182.40

Finding the Fourth Proportional to 2,413.25, 3,636.09 and 2,182.40

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Solution

The fourth proportional to 2,413.25, 3,636.09 and 2,182.40 is: 3,288.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,413.25 : 3,636.09 = 2,182.40 : x
  2. Step 2: Convert to fraction form
    2,413.25/3,636.09 = 2,182.40/x
  3. Step 3: Cross multiply
    2,413.25x = 3,636.09 × 2,182.40
  4. Step 4: Simplify right side
    2,413.25x = 7,935,402.82
  5. Step 5: Solve for x
    x = 7,935,402.82/2,413.25
  6. Step 6: Final answer
    x = 3,288.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.