Home / 7,170.63-10,755.99-2,173.03

Finding the Fourth Proportional to 7,170.63, 10,755.99 and 2,173.03

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Solution

The fourth proportional to 7,170.63, 10,755.99 and 2,173.03 is: 3,259.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,170.63 : 10,755.99 = 2,173.03 : x
  2. Step 2: Convert to fraction form
    7,170.63/10,755.99 = 2,173.03/x
  3. Step 3: Cross multiply
    7,170.63x = 10,755.99 × 2,173.03
  4. Step 4: Simplify right side
    7,170.63x = 23,373,062.06
  5. Step 5: Solve for x
    x = 23,373,062.06/7,170.63
  6. Step 6: Final answer
    x = 3,259.56

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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.