Home / 5,823.76-8,036.80-3,171.16

Finding the Fourth Proportional to 5,823.76, 8,036.80 and 3,171.16

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Solution

The fourth proportional to 5,823.76, 8,036.80 and 3,171.16 is: 4,376.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,823.76 : 8,036.80 = 3,171.16 : x
  2. Step 2: Convert to fraction form
    5,823.76/8,036.80 = 3,171.16/x
  3. Step 3: Cross multiply
    5,823.76x = 8,036.80 × 3,171.16
  4. Step 4: Simplify right side
    5,823.76x = 25,485,978.69
  5. Step 5: Solve for x
    x = 25,485,978.69/5,823.76
  6. Step 6: Final answer
    x = 4,376.21

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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.