Home / 5,208.64-7,186.78-3,083.11

Finding the Fourth Proportional to 5,208.64, 7,186.78 and 3,083.11

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Solution

The fourth proportional to 5,208.64, 7,186.78 and 3,083.11 is: 4,254.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.64 : 7,186.78 = 3,083.11 : x
  2. Step 2: Convert to fraction form
    5,208.64/7,186.78 = 3,083.11/x
  3. Step 3: Cross multiply
    5,208.64x = 7,186.78 × 3,083.11
  4. Step 4: Simplify right side
    5,208.64x = 22,157,601.83
  5. Step 5: Solve for x
    x = 22,157,601.83/5,208.64
  6. Step 6: Final answer
    x = 4,254.01

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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.