Home / 5,905.82-8,864.19-2,986.16

Finding the Fourth Proportional to 5,905.82, 8,864.19 and 2,986.16

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Solution

The fourth proportional to 5,905.82, 8,864.19 and 2,986.16 is: 4,482.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.82 : 8,864.19 = 2,986.16 : x
  2. Step 2: Convert to fraction form
    5,905.82/8,864.19 = 2,986.16/x
  3. Step 3: Cross multiply
    5,905.82x = 8,864.19 × 2,986.16
  4. Step 4: Simplify right side
    5,905.82x = 26,469,889.61
  5. Step 5: Solve for x
    x = 26,469,889.61/5,905.82
  6. Step 6: Final answer
    x = 4,482.00

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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.