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Finding the Fourth Proportional to 2,413.70, 3,333.91 and 1,860.87

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Solution

The fourth proportional to 2,413.70, 3,333.91 and 1,860.87 is: 2,570.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,413.70 : 3,333.91 = 1,860.87 : x
  2. Step 2: Convert to fraction form
    2,413.70/3,333.91 = 1,860.87/x
  3. Step 3: Cross multiply
    2,413.70x = 3,333.91 × 1,860.87
  4. Step 4: Simplify right side
    2,413.70x = 6,203,984.44
  5. Step 5: Solve for x
    x = 6,203,984.44/2,413.70
  6. Step 6: Final answer
    x = 2,570.32

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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.