Home / 2,141.52-3,211.14-1,101.08

Finding the Fourth Proportional to 2,141.52, 3,211.14 and 1,101.08

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Solution

The fourth proportional to 2,141.52, 3,211.14 and 1,101.08 is: 1,651.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141.52 : 3,211.14 = 1,101.08 : x
  2. Step 2: Convert to fraction form
    2,141.52/3,211.14 = 1,101.08/x
  3. Step 3: Cross multiply
    2,141.52x = 3,211.14 × 1,101.08
  4. Step 4: Simplify right side
    2,141.52x = 3,535,722.03
  5. Step 5: Solve for x
    x = 3,535,722.03/2,141.52
  6. Step 6: Final answer
    x = 1,651.03

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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.