Home / 2,998.80-4,136.04-2,604.24

Finding the Fourth Proportional to 2,998.80, 4,136.04 and 2,604.24

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Solution

The fourth proportional to 2,998.80, 4,136.04 and 2,604.24 is: 3,591.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.80 : 4,136.04 = 2,604.24 : x
  2. Step 2: Convert to fraction form
    2,998.80/4,136.04 = 2,604.24/x
  3. Step 3: Cross multiply
    2,998.80x = 4,136.04 × 2,604.24
  4. Step 4: Simplify right side
    2,998.80x = 10,771,240.81
  5. Step 5: Solve for x
    x = 10,771,240.81/2,998.80
  6. Step 6: Final answer
    x = 3,591.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.