Home / 4,080.33-5,629.91-2,311.70

Finding the Fourth Proportional to 4,080.33, 5,629.91 and 2,311.70

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Solution

The fourth proportional to 4,080.33, 5,629.91 and 2,311.70 is: 3,189.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.33 : 5,629.91 = 2,311.70 : x
  2. Step 2: Convert to fraction form
    4,080.33/5,629.91 = 2,311.70/x
  3. Step 3: Cross multiply
    4,080.33x = 5,629.91 × 2,311.70
  4. Step 4: Simplify right side
    4,080.33x = 13,014,623.24
  5. Step 5: Solve for x
    x = 13,014,623.24/4,080.33
  6. Step 6: Final answer
    x = 3,189.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.