Home / 3,511.75-4,846.23-1,939.96

Finding the Fourth Proportional to 3,511.75, 4,846.23 and 1,939.96

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Solution

The fourth proportional to 3,511.75, 4,846.23 and 1,939.96 is: 2,677.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.75 : 4,846.23 = 1,939.96 : x
  2. Step 2: Convert to fraction form
    3,511.75/4,846.23 = 1,939.96/x
  3. Step 3: Cross multiply
    3,511.75x = 4,846.23 × 1,939.96
  4. Step 4: Simplify right side
    3,511.75x = 9,401,492.35
  5. Step 5: Solve for x
    x = 9,401,492.35/3,511.75
  6. Step 6: Final answer
    x = 2,677.15

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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.