Home / 4,740.99-7,113.89-3,198.75

Finding the Fourth Proportional to 4,740.99, 7,113.89 and 3,198.75

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Solution

The fourth proportional to 4,740.99, 7,113.89 and 3,198.75 is: 4,799.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.99 : 7,113.89 = 3,198.75 : x
  2. Step 2: Convert to fraction form
    4,740.99/7,113.89 = 3,198.75/x
  3. Step 3: Cross multiply
    4,740.99x = 7,113.89 × 3,198.75
  4. Step 4: Simplify right side
    4,740.99x = 22,755,539.64
  5. Step 5: Solve for x
    x = 22,755,539.64/4,740.99
  6. Step 6: Final answer
    x = 4,799.74

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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.