Home / 2,816.73-4,223.43-1,171.35

Finding the Fourth Proportional to 2,816.73, 4,223.43 and 1,171.35

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Solution

The fourth proportional to 2,816.73, 4,223.43 and 1,171.35 is: 1,756.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.73 : 4,223.43 = 1,171.35 : x
  2. Step 2: Convert to fraction form
    2,816.73/4,223.43 = 1,171.35/x
  3. Step 3: Cross multiply
    2,816.73x = 4,223.43 × 1,171.35
  4. Step 4: Simplify right side
    2,816.73x = 4,947,114.73
  5. Step 5: Solve for x
    x = 4,947,114.73/2,816.73
  6. Step 6: Final answer
    x = 1,756.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.