Home / 3,196.34-4,413.74-2,151.44

Finding the Fourth Proportional to 3,196.34, 4,413.74 and 2,151.44

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Solution

The fourth proportional to 3,196.34, 4,413.74 and 2,151.44 is: 2,970.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,196.34 : 4,413.74 = 2,151.44 : x
  2. Step 2: Convert to fraction form
    3,196.34/4,413.74 = 2,151.44/x
  3. Step 3: Cross multiply
    3,196.34x = 4,413.74 × 2,151.44
  4. Step 4: Simplify right side
    3,196.34x = 9,495,896.79
  5. Step 5: Solve for x
    x = 9,495,896.79/3,196.34
  6. Step 6: Final answer
    x = 2,970.87

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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.