Home / 2,413.12-3,620.57-1,725.21

Finding the Fourth Proportional to 2,413.12, 3,620.57 and 1,725.21

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Solution

The fourth proportional to 2,413.12, 3,620.57 and 1,725.21 is: 2,588.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,413.12 : 3,620.57 = 1,725.21 : x
  2. Step 2: Convert to fraction form
    2,413.12/3,620.57 = 1,725.21/x
  3. Step 3: Cross multiply
    2,413.12x = 3,620.57 × 1,725.21
  4. Step 4: Simplify right side
    2,413.12x = 6,246,243.57
  5. Step 5: Solve for x
    x = 6,246,243.57/2,413.12
  6. Step 6: Final answer
    x = 2,588.45

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1.5x scale

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.