Home / 4,190.18-5,783.74-2,698.09

Finding the Fourth Proportional to 4,190.18, 5,783.74 and 2,698.09

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Solution

The fourth proportional to 4,190.18, 5,783.74 and 2,698.09 is: 3,724.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.18 : 5,783.74 = 2,698.09 : x
  2. Step 2: Convert to fraction form
    4,190.18/5,783.74 = 2,698.09/x
  3. Step 3: Cross multiply
    4,190.18x = 5,783.74 × 2,698.09
  4. Step 4: Simplify right side
    4,190.18x = 15,605,029.85
  5. Step 5: Solve for x
    x = 15,605,029.85/4,190.18
  6. Step 6: Final answer
    x = 3,724.20

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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.