Home / 5,886.79-8,123.83-3,198.04

Finding the Fourth Proportional to 5,886.79, 8,123.83 and 3,198.04

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Solution

The fourth proportional to 5,886.79, 8,123.83 and 3,198.04 is: 4,413.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,886.79 : 8,123.83 = 3,198.04 : x
  2. Step 2: Convert to fraction form
    5,886.79/8,123.83 = 3,198.04/x
  3. Step 3: Cross multiply
    5,886.79x = 8,123.83 × 3,198.04
  4. Step 4: Simplify right side
    5,886.79x = 25,980,304.99
  5. Step 5: Solve for x
    x = 25,980,304.99/5,886.79
  6. Step 6: Final answer
    x = 4,413.32

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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.