Home / 3,189.08-4,400.24-1,862.18

Finding the Fourth Proportional to 3,189.08, 4,400.24 and 1,862.18

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Solution

The fourth proportional to 3,189.08, 4,400.24 and 1,862.18 is: 2,569.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.08 : 4,400.24 = 1,862.18 : x
  2. Step 2: Convert to fraction form
    3,189.08/4,400.24 = 1,862.18/x
  3. Step 3: Cross multiply
    3,189.08x = 4,400.24 × 1,862.18
  4. Step 4: Simplify right side
    3,189.08x = 8,194,054.58
  5. Step 5: Solve for x
    x = 8,194,054.58/3,189.08
  6. Step 6: Final answer
    x = 2,569.41

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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.