Home / 2,200.50-3,036.75-1,269.06

Finding the Fourth Proportional to 2,200.50, 3,036.75 and 1,269.06

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Solution

The fourth proportional to 2,200.50, 3,036.75 and 1,269.06 is: 1,751.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200.50 : 3,036.75 = 1,269.06 : x
  2. Step 2: Convert to fraction form
    2,200.50/3,036.75 = 1,269.06/x
  3. Step 3: Cross multiply
    2,200.50x = 3,036.75 × 1,269.06
  4. Step 4: Simplify right side
    2,200.50x = 3,853,817.96
  5. Step 5: Solve for x
    x = 3,853,817.96/2,200.50
  6. Step 6: Final answer
    x = 1,751.34

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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.