Home / 6,870.35-9,481.08-3,726.54

Finding the Fourth Proportional to 6,870.35, 9,481.08 and 3,726.54

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Solution

The fourth proportional to 6,870.35, 9,481.08 and 3,726.54 is: 5,142.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,870.35 : 9,481.08 = 3,726.54 : x
  2. Step 2: Convert to fraction form
    6,870.35/9,481.08 = 3,726.54/x
  3. Step 3: Cross multiply
    6,870.35x = 9,481.08 × 3,726.54
  4. Step 4: Simplify right side
    6,870.35x = 35,331,637.84
  5. Step 5: Solve for x
    x = 35,331,637.84/6,870.35
  6. Step 6: Final answer
    x = 5,142.62

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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.