Home / 3,231.95-4,456.55-2,182.19

Finding the Fourth Proportional to 3,231.95, 4,456.55 and 2,182.19

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Solution

The fourth proportional to 3,231.95, 4,456.55 and 2,182.19 is: 3,009.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.95 : 4,456.55 = 2,182.19 : x
  2. Step 2: Convert to fraction form
    3,231.95/4,456.55 = 2,182.19/x
  3. Step 3: Cross multiply
    3,231.95x = 4,456.55 × 2,182.19
  4. Step 4: Simplify right side
    3,231.95x = 9,725,022.02
  5. Step 5: Solve for x
    x = 9,725,022.02/3,231.95
  6. Step 6: Final answer
    x = 3,009.03

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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.