Home / 3,189.06-4,400.42-1,862.51

Finding the Fourth Proportional to 3,189.06, 4,400.42 and 1,862.51

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Solution

The fourth proportional to 3,189.06, 4,400.42 and 1,862.51 is: 2,569.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.06 : 4,400.42 = 1,862.51 : x
  2. Step 2: Convert to fraction form
    3,189.06/4,400.42 = 1,862.51/x
  3. Step 3: Cross multiply
    3,189.06x = 4,400.42 × 1,862.51
  4. Step 4: Simplify right side
    3,189.06x = 8,195,794.94
  5. Step 5: Solve for x
    x = 8,195,794.94/3,189.06
  6. Step 6: Final answer
    x = 2,569.97

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1.5x scale

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.