Home / 3,472.68-4,790.78-2,075.44

Finding the Fourth Proportional to 3,472.68, 4,790.78 and 2,075.44

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Solution

The fourth proportional to 3,472.68, 4,790.78 and 2,075.44 is: 2,863.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472.68 : 4,790.78 = 2,075.44 : x
  2. Step 2: Convert to fraction form
    3,472.68/4,790.78 = 2,075.44/x
  3. Step 3: Cross multiply
    3,472.68x = 4,790.78 × 2,075.44
  4. Step 4: Simplify right side
    3,472.68x = 9,942,976.44
  5. Step 5: Solve for x
    x = 9,942,976.44/3,472.68
  6. Step 6: Final answer
    x = 2,863.20

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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.