Home / 3,659.10-5,485.05-3,270.30

Finding the Fourth Proportional to 3,659.10, 5,485.05 and 3,270.30

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Solution

The fourth proportional to 3,659.10, 5,485.05 and 3,270.30 is: 4,902.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,659.10 : 5,485.05 = 3,270.30 : x
  2. Step 2: Convert to fraction form
    3,659.10/5,485.05 = 3,270.30/x
  3. Step 3: Cross multiply
    3,659.10x = 5,485.05 × 3,270.30
  4. Step 4: Simplify right side
    3,659.10x = 17,937,759.02
  5. Step 5: Solve for x
    x = 17,937,759.02/3,659.10
  6. Step 6: Final answer
    x = 4,902.23

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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.