Home / 3,391.49-5,075.44-2,074.67

Finding the Fourth Proportional to 3,391.49, 5,075.44 and 2,074.67

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Solution

The fourth proportional to 3,391.49, 5,075.44 and 2,074.67 is: 3,104.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.49 : 5,075.44 = 2,074.67 : x
  2. Step 2: Convert to fraction form
    3,391.49/5,075.44 = 2,074.67/x
  3. Step 3: Cross multiply
    3,391.49x = 5,075.44 × 2,074.67
  4. Step 4: Simplify right side
    3,391.49x = 10,529,863.10
  5. Step 5: Solve for x
    x = 10,529,863.10/3,391.49
  6. Step 6: Final answer
    x = 3,104.79

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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.