Home / 4,088.96-5,639.66-2,832.12

Finding the Fourth Proportional to 4,088.96, 5,639.66 and 2,832.12

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Solution

The fourth proportional to 4,088.96, 5,639.66 and 2,832.12 is: 3,906.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,088.96 : 5,639.66 = 2,832.12 : x
  2. Step 2: Convert to fraction form
    4,088.96/5,639.66 = 2,832.12/x
  3. Step 3: Cross multiply
    4,088.96x = 5,639.66 × 2,832.12
  4. Step 4: Simplify right side
    4,088.96x = 15,972,193.88
  5. Step 5: Solve for x
    x = 15,972,193.88/4,088.96
  6. Step 6: Final answer
    x = 3,906.18

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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.