Home / 4,942.91-6,821.20-2,953.37

Finding the Fourth Proportional to 4,942.91, 6,821.20 and 2,953.37

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Solution

The fourth proportional to 4,942.91, 6,821.20 and 2,953.37 is: 4,075.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.91 : 6,821.20 = 2,953.37 : x
  2. Step 2: Convert to fraction form
    4,942.91/6,821.20 = 2,953.37/x
  3. Step 3: Cross multiply
    4,942.91x = 6,821.20 × 2,953.37
  4. Step 4: Simplify right side
    4,942.91x = 20,145,527.44
  5. Step 5: Solve for x
    x = 20,145,527.44/4,942.91
  6. Step 6: Final answer
    x = 4,075.64

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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.