Home / 4,200.62-5,796.87-2,312.16

Finding the Fourth Proportional to 4,200.62, 5,796.87 and 2,312.16

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Solution

The fourth proportional to 4,200.62, 5,796.87 and 2,312.16 is: 3,190.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.62 : 5,796.87 = 2,312.16 : x
  2. Step 2: Convert to fraction form
    4,200.62/5,796.87 = 2,312.16/x
  3. Step 3: Cross multiply
    4,200.62x = 5,796.87 × 2,312.16
  4. Step 4: Simplify right side
    4,200.62x = 13,403,290.94
  5. Step 5: Solve for x
    x = 13,403,290.94/4,200.62
  6. Step 6: Final answer
    x = 3,190.79

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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.