Home / 2,196.30-3,266.19-2,127.08

Finding the Fourth Proportional to 2,196.30, 3,266.19 and 2,127.08

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Solution

The fourth proportional to 2,196.30, 3,266.19 and 2,127.08 is: 3,163.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,196.30 : 3,266.19 = 2,127.08 : x
  2. Step 2: Convert to fraction form
    2,196.30/3,266.19 = 2,127.08/x
  3. Step 3: Cross multiply
    2,196.30x = 3,266.19 × 2,127.08
  4. Step 4: Simplify right side
    2,196.30x = 6,947,431.09
  5. Step 5: Solve for x
    x = 6,947,431.09/2,196.30
  6. Step 6: Final answer
    x = 3,163.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.