Home / 3,441.15-5,128.99-3,435.62

Finding the Fourth Proportional to 3,441.15, 5,128.99 and 3,435.62

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Solution

The fourth proportional to 3,441.15, 5,128.99 and 3,435.62 is: 5,120.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,441.15 : 5,128.99 = 3,435.62 : x
  2. Step 2: Convert to fraction form
    3,441.15/5,128.99 = 3,435.62/x
  3. Step 3: Cross multiply
    3,441.15x = 5,128.99 × 3,435.62
  4. Step 4: Simplify right side
    3,441.15x = 17,621,226.39
  5. Step 5: Solve for x
    x = 17,621,226.39/3,441.15
  6. Step 6: Final answer
    x = 5,120.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.