Home / 5,199.35-7,799.96-2,388.35

Finding the Fourth Proportional to 5,199.35, 7,799.96 and 2,388.35

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Solution

The fourth proportional to 5,199.35, 7,799.96 and 2,388.35 is: 3,582.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.35 : 7,799.96 = 2,388.35 : x
  2. Step 2: Convert to fraction form
    5,199.35/7,799.96 = 2,388.35/x
  3. Step 3: Cross multiply
    5,199.35x = 7,799.96 × 2,388.35
  4. Step 4: Simplify right side
    5,199.35x = 18,629,059.94
  5. Step 5: Solve for x
    x = 18,629,059.94/5,199.35
  6. Step 6: Final answer
    x = 3,582.96

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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.