Home / 5,208.36-7,180.05-3,713.68

Finding the Fourth Proportional to 5,208.36, 7,180.05 and 3,713.68

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Solution

The fourth proportional to 5,208.36, 7,180.05 and 3,713.68 is: 5,119.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.36 : 7,180.05 = 3,713.68 : x
  2. Step 2: Convert to fraction form
    5,208.36/7,180.05 = 3,713.68/x
  3. Step 3: Cross multiply
    5,208.36x = 7,180.05 × 3,713.68
  4. Step 4: Simplify right side
    5,208.36x = 26,664,372.18
  5. Step 5: Solve for x
    x = 26,664,372.18/5,208.36
  6. Step 6: Final answer
    x = 5,119.53

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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.