Home / 3,009.50-4,515.62-1,161.04

Finding the Fourth Proportional to 3,009.50, 4,515.62 and 1,161.04

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Solution

The fourth proportional to 3,009.50, 4,515.62 and 1,161.04 is: 1,742.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.50 : 4,515.62 = 1,161.04 : x
  2. Step 2: Convert to fraction form
    3,009.50/4,515.62 = 1,161.04/x
  3. Step 3: Cross multiply
    3,009.50x = 4,515.62 × 1,161.04
  4. Step 4: Simplify right side
    3,009.50x = 5,242,815.44
  5. Step 5: Solve for x
    x = 5,242,815.44/3,009.50
  6. Step 6: Final answer
    x = 1,742.09

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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.