Home / 3,240.85-4,856.72-1,852.11

Finding the Fourth Proportional to 3,240.85, 4,856.72 and 1,852.11

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Solution

The fourth proportional to 3,240.85, 4,856.72 and 1,852.11 is: 2,775.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.85 : 4,856.72 = 1,852.11 : x
  2. Step 2: Convert to fraction form
    3,240.85/4,856.72 = 1,852.11/x
  3. Step 3: Cross multiply
    3,240.85x = 4,856.72 × 1,852.11
  4. Step 4: Simplify right side
    3,240.85x = 8,995,179.68
  5. Step 5: Solve for x
    x = 8,995,179.68/3,240.85
  6. Step 6: Final answer
    x = 2,775.56

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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.