Home / 1,863.09-2,572.44-1,200.33

Finding the Fourth Proportional to 1,863.09, 2,572.44 and 1,200.33

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Solution

The fourth proportional to 1,863.09, 2,572.44 and 1,200.33 is: 1,657.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863.09 : 2,572.44 = 1,200.33 : x
  2. Step 2: Convert to fraction form
    1,863.09/2,572.44 = 1,200.33/x
  3. Step 3: Cross multiply
    1,863.09x = 2,572.44 × 1,200.33
  4. Step 4: Simplify right side
    1,863.09x = 3,087,776.91
  5. Step 5: Solve for x
    x = 3,087,776.91/1,863.09
  6. Step 6: Final answer
    x = 1,657.34

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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.