Home / 3,863.08-5,333.61-2,291.68

Finding the Fourth Proportional to 3,863.08, 5,333.61 and 2,291.68

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Solution

The fourth proportional to 3,863.08, 5,333.61 and 2,291.68 is: 3,164.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.08 : 5,333.61 = 2,291.68 : x
  2. Step 2: Convert to fraction form
    3,863.08/5,333.61 = 2,291.68/x
  3. Step 3: Cross multiply
    3,863.08x = 5,333.61 × 2,291.68
  4. Step 4: Simplify right side
    3,863.08x = 12,222,927.36
  5. Step 5: Solve for x
    x = 12,222,927.36/3,863.08
  6. Step 6: Final answer
    x = 3,164.04

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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.