Home / 5,999.28-8,998.88-2,102.80

Finding the Fourth Proportional to 5,999.28, 8,998.88 and 2,102.80

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Solution

The fourth proportional to 5,999.28, 8,998.88 and 2,102.80 is: 3,154.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,999.28 : 8,998.88 = 2,102.80 : x
  2. Step 2: Convert to fraction form
    5,999.28/8,998.88 = 2,102.80/x
  3. Step 3: Cross multiply
    5,999.28x = 8,998.88 × 2,102.80
  4. Step 4: Simplify right side
    5,999.28x = 18,922,844.86
  5. Step 5: Solve for x
    x = 18,922,844.86/5,999.28
  6. Step 6: Final answer
    x = 3,154.19

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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.