Home / 4,771.42-7,156.85-1,996.63

Finding the Fourth Proportional to 4,771.42, 7,156.85 and 1,996.63

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Solution

The fourth proportional to 4,771.42, 7,156.85 and 1,996.63 is: 2,994.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,771.42 : 7,156.85 = 1,996.63 : x
  2. Step 2: Convert to fraction form
    4,771.42/7,156.85 = 1,996.63/x
  3. Step 3: Cross multiply
    4,771.42x = 7,156.85 × 1,996.63
  4. Step 4: Simplify right side
    4,771.42x = 14,289,535.65
  5. Step 5: Solve for x
    x = 14,289,535.65/4,771.42
  6. Step 6: Final answer
    x = 2,994.82

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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.