Home / 3,511.76-4,846.16-1,939.84

Finding the Fourth Proportional to 3,511.76, 4,846.16 and 1,939.84

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Solution

The fourth proportional to 3,511.76, 4,846.16 and 1,939.84 is: 2,676.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.76 : 4,846.16 = 1,939.84 : x
  2. Step 2: Convert to fraction form
    3,511.76/4,846.16 = 1,939.84/x
  3. Step 3: Cross multiply
    3,511.76x = 4,846.16 × 1,939.84
  4. Step 4: Simplify right side
    3,511.76x = 9,400,775.01
  5. Step 5: Solve for x
    x = 9,400,775.01/3,511.76
  6. Step 6: Final answer
    x = 2,676.94

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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.