Home / 3,211.29-4,815.81-1,182.33

Finding the Fourth Proportional to 3,211.29, 4,815.81 and 1,182.33

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Solution

The fourth proportional to 3,211.29, 4,815.81 and 1,182.33 is: 1,773.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.29 : 4,815.81 = 1,182.33 : x
  2. Step 2: Convert to fraction form
    3,211.29/4,815.81 = 1,182.33/x
  3. Step 3: Cross multiply
    3,211.29x = 4,815.81 × 1,182.33
  4. Step 4: Simplify right side
    3,211.29x = 5,693,876.64
  5. Step 5: Solve for x
    x = 5,693,876.64/3,211.29
  6. Step 6: Final answer
    x = 1,773.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.