Home / 3,133.67-4,313.51-2,838.43

Finding the Fourth Proportional to 3,133.67, 4,313.51 and 2,838.43

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Solution

The fourth proportional to 3,133.67, 4,313.51 and 2,838.43 is: 3,907.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.67 : 4,313.51 = 2,838.43 : x
  2. Step 2: Convert to fraction form
    3,133.67/4,313.51 = 2,838.43/x
  3. Step 3: Cross multiply
    3,133.67x = 4,313.51 × 2,838.43
  4. Step 4: Simplify right side
    3,133.67x = 12,243,571.21
  5. Step 5: Solve for x
    x = 12,243,571.21/3,133.67
  6. Step 6: Final answer
    x = 3,907.10

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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.