Home / 3,079.99-4,619.58-1,131.94

Finding the Fourth Proportional to 3,079.99, 4,619.58 and 1,131.94

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Solution

The fourth proportional to 3,079.99, 4,619.58 and 1,131.94 is: 1,697.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.99 : 4,619.58 = 1,131.94 : x
  2. Step 2: Convert to fraction form
    3,079.99/4,619.58 = 1,131.94/x
  3. Step 3: Cross multiply
    3,079.99x = 4,619.58 × 1,131.94
  4. Step 4: Simplify right side
    3,079.99x = 5,229,087.39
  5. Step 5: Solve for x
    x = 5,229,087.39/3,079.99
  6. Step 6: Final answer
    x = 1,697.76

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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.