Home / 2,182.36-3,266.70-2,106.28

Finding the Fourth Proportional to 2,182.36, 3,266.70 and 2,106.28

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Solution

The fourth proportional to 2,182.36, 3,266.70 and 2,106.28 is: 3,152.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182.36 : 3,266.70 = 2,106.28 : x
  2. Step 2: Convert to fraction form
    2,182.36/3,266.70 = 2,106.28/x
  3. Step 3: Cross multiply
    2,182.36x = 3,266.70 × 2,106.28
  4. Step 4: Simplify right side
    2,182.36x = 6,880,584.88
  5. Step 5: Solve for x
    x = 6,880,584.88/2,182.36
  6. Step 6: Final answer
    x = 3,152.82

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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.