Home / 2,803.41-4,185.68-2,412.99

Finding the Fourth Proportional to 2,803.41, 4,185.68 and 2,412.99

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Solution

The fourth proportional to 2,803.41, 4,185.68 and 2,412.99 is: 3,602.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803.41 : 4,185.68 = 2,412.99 : x
  2. Step 2: Convert to fraction form
    2,803.41/4,185.68 = 2,412.99/x
  3. Step 3: Cross multiply
    2,803.41x = 4,185.68 × 2,412.99
  4. Step 4: Simplify right side
    2,803.41x = 10,099,991.92
  5. Step 5: Solve for x
    x = 10,099,991.92/2,803.41
  6. Step 6: Final answer
    x = 3,602.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.