Home / 3,168.15-4,367.97-2,047.11

Finding the Fourth Proportional to 3,168.15, 4,367.97 and 2,047.11

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Solution

The fourth proportional to 3,168.15, 4,367.97 and 2,047.11 is: 2,822.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.15 : 4,367.97 = 2,047.11 : x
  2. Step 2: Convert to fraction form
    3,168.15/4,367.97 = 2,047.11/x
  3. Step 3: Cross multiply
    3,168.15x = 4,367.97 × 2,047.11
  4. Step 4: Simplify right side
    3,168.15x = 8,941,715.07
  5. Step 5: Solve for x
    x = 8,941,715.07/3,168.15
  6. Step 6: Final answer
    x = 2,822.38

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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.