Home / 4,200.07-5,796.23-2,311.72

Finding the Fourth Proportional to 4,200.07, 5,796.23 and 2,311.72

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Solution

The fourth proportional to 4,200.07, 5,796.23 and 2,311.72 is: 3,190.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.07 : 5,796.23 = 2,311.72 : x
  2. Step 2: Convert to fraction form
    4,200.07/5,796.23 = 2,311.72/x
  3. Step 3: Cross multiply
    4,200.07x = 5,796.23 × 2,311.72
  4. Step 4: Simplify right side
    4,200.07x = 13,399,260.82
  5. Step 5: Solve for x
    x = 13,399,260.82/4,200.07
  6. Step 6: Final answer
    x = 3,190.25

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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.