Home / 3,853.32-5,317.62-2,084.96

Finding the Fourth Proportional to 3,853.32, 5,317.62 and 2,084.96

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Solution

The fourth proportional to 3,853.32, 5,317.62 and 2,084.96 is: 2,877.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853.32 : 5,317.62 = 2,084.96 : x
  2. Step 2: Convert to fraction form
    3,853.32/5,317.62 = 2,084.96/x
  3. Step 3: Cross multiply
    3,853.32x = 5,317.62 × 2,084.96
  4. Step 4: Simplify right side
    3,853.32x = 11,087,025.00
  5. Step 5: Solve for x
    x = 11,087,025.00/3,853.32
  6. Step 6: Final answer
    x = 2,877.27

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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.