Home / 2,063.20-3,094.08-830.20

Finding the Fourth Proportional to 2,063.20, 3,094.08 and 830.20

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Solution

The fourth proportional to 2,063.20, 3,094.08 and 830.20 is: 1,245.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,063.20 : 3,094.08 = 830.20 : x
  2. Step 2: Convert to fraction form
    2,063.20/3,094.08 = 830.20/x
  3. Step 3: Cross multiply
    2,063.20x = 3,094.08 × 830.20
  4. Step 4: Simplify right side
    2,063.20x = 2,568,705.22
  5. Step 5: Solve for x
    x = 2,568,705.22/2,063.20
  6. Step 6: Final answer
    x = 1,245.01

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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.