Home / 5,208.01-7,811.22-2,087.22

Finding the Fourth Proportional to 5,208.01, 7,811.22 and 2,087.22

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Solution

The fourth proportional to 5,208.01, 7,811.22 and 2,087.22 is: 3,130.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.01 : 7,811.22 = 2,087.22 : x
  2. Step 2: Convert to fraction form
    5,208.01/7,811.22 = 2,087.22/x
  3. Step 3: Cross multiply
    5,208.01x = 7,811.22 × 2,087.22
  4. Step 4: Simplify right side
    5,208.01x = 16,303,734.61
  5. Step 5: Solve for x
    x = 16,303,734.61/5,208.01
  6. Step 6: Final answer
    x = 3,130.51

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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.