Home / 3,313.81-4,568.25-2,315.99

Finding the Fourth Proportional to 3,313.81, 4,568.25 and 2,315.99

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Solution

The fourth proportional to 3,313.81, 4,568.25 and 2,315.99 is: 3,192.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.81 : 4,568.25 = 2,315.99 : x
  2. Step 2: Convert to fraction form
    3,313.81/4,568.25 = 2,315.99/x
  3. Step 3: Cross multiply
    3,313.81x = 4,568.25 × 2,315.99
  4. Step 4: Simplify right side
    3,313.81x = 10,580,028.40
  5. Step 5: Solve for x
    x = 10,580,028.40/3,313.81
  6. Step 6: Final answer
    x = 3,192.71

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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.