Home / 2,161.04-3,241.58-700.20

Finding the Fourth Proportional to 2,161.04, 3,241.58 and 700.20

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Solution

The fourth proportional to 2,161.04, 3,241.58 and 700.20 is: 1,050.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161.04 : 3,241.58 = 700.20 : x
  2. Step 2: Convert to fraction form
    2,161.04/3,241.58 = 700.20/x
  3. Step 3: Cross multiply
    2,161.04x = 3,241.58 × 700.20
  4. Step 4: Simplify right side
    2,161.04x = 2,269,750.82
  5. Step 5: Solve for x
    x = 2,269,750.82/2,161.04
  6. Step 6: Final answer
    x = 1,050.31

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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.