Home / 5,486.34-8,228.77-2,199.48

Finding the Fourth Proportional to 5,486.34, 8,228.77 and 2,199.48

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Solution

The fourth proportional to 5,486.34, 8,228.77 and 2,199.48 is: 3,298.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,486.34 : 8,228.77 = 2,199.48 : x
  2. Step 2: Convert to fraction form
    5,486.34/8,228.77 = 2,199.48/x
  3. Step 3: Cross multiply
    5,486.34x = 8,228.77 × 2,199.48
  4. Step 4: Simplify right side
    5,486.34x = 18,099,015.04
  5. Step 5: Solve for x
    x = 18,099,015.04/5,486.34
  6. Step 6: Final answer
    x = 3,298.92

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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.