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Finding the Fourth Proportional to 3,167.51, 4,752.37 and 1,413.75

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Solution

The fourth proportional to 3,167.51, 4,752.37 and 1,413.75 is: 2,121.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.51 : 4,752.37 = 1,413.75 : x
  2. Step 2: Convert to fraction form
    3,167.51/4,752.37 = 1,413.75/x
  3. Step 3: Cross multiply
    3,167.51x = 4,752.37 × 1,413.75
  4. Step 4: Simplify right side
    3,167.51x = 6,718,682.68
  5. Step 5: Solve for x
    x = 6,718,682.68/3,167.51
  6. Step 6: Final answer
    x = 2,121.13

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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.