Home / 4,846.70-6,687.64-2,856.98

Finding the Fourth Proportional to 4,846.70, 6,687.64 and 2,856.98

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Solution

The fourth proportional to 4,846.70, 6,687.64 and 2,856.98 is: 3,942.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,846.70 : 6,687.64 = 2,856.98 : x
  2. Step 2: Convert to fraction form
    4,846.70/6,687.64 = 2,856.98/x
  3. Step 3: Cross multiply
    4,846.70x = 6,687.64 × 2,856.98
  4. Step 4: Simplify right side
    4,846.70x = 19,106,453.73
  5. Step 5: Solve for x
    x = 19,106,453.73/4,846.70
  6. Step 6: Final answer
    x = 3,942.16

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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.