Home / 3,535.21-4,879.44-2,340.46

Finding the Fourth Proportional to 3,535.21, 4,879.44 and 2,340.46

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Solution

The fourth proportional to 3,535.21, 4,879.44 and 2,340.46 is: 3,230.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,535.21 : 4,879.44 = 2,340.46 : x
  2. Step 2: Convert to fraction form
    3,535.21/4,879.44 = 2,340.46/x
  3. Step 3: Cross multiply
    3,535.21x = 4,879.44 × 2,340.46
  4. Step 4: Simplify right side
    3,535.21x = 11,420,134.14
  5. Step 5: Solve for x
    x = 11,420,134.14/3,535.21
  6. Step 6: Final answer
    x = 3,230.40

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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.