Home / 5,088.08-7,020.73-2,850.05

Finding the Fourth Proportional to 5,088.08, 7,020.73 and 2,850.05

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Solution

The fourth proportional to 5,088.08, 7,020.73 and 2,850.05 is: 3,932.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,088.08 : 7,020.73 = 2,850.05 : x
  2. Step 2: Convert to fraction form
    5,088.08/7,020.73 = 2,850.05/x
  3. Step 3: Cross multiply
    5,088.08x = 7,020.73 × 2,850.05
  4. Step 4: Simplify right side
    5,088.08x = 20,009,438.66
  5. Step 5: Solve for x
    x = 20,009,438.66/5,088.08
  6. Step 6: Final answer
    x = 3,932.61

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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.