Home / 3,329.58-4,990.89-1,682.67

Finding the Fourth Proportional to 3,329.58, 4,990.89 and 1,682.67

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Solution

The fourth proportional to 3,329.58, 4,990.89 and 1,682.67 is: 2,522.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329.58 : 4,990.89 = 1,682.67 : x
  2. Step 2: Convert to fraction form
    3,329.58/4,990.89 = 1,682.67/x
  3. Step 3: Cross multiply
    3,329.58x = 4,990.89 × 1,682.67
  4. Step 4: Simplify right side
    3,329.58x = 8,398,020.88
  5. Step 5: Solve for x
    x = 8,398,020.88/3,329.58
  6. Step 6: Final answer
    x = 2,522.25

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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.