Home / 5,815.81-8,027.88-3,457.95

Finding the Fourth Proportional to 5,815.81, 8,027.88 and 3,457.95

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Solution

The fourth proportional to 5,815.81, 8,027.88 and 3,457.95 is: 4,773.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.81 : 8,027.88 = 3,457.95 : x
  2. Step 2: Convert to fraction form
    5,815.81/8,027.88 = 3,457.95/x
  3. Step 3: Cross multiply
    5,815.81x = 8,027.88 × 3,457.95
  4. Step 4: Simplify right side
    5,815.81x = 27,760,007.65
  5. Step 5: Solve for x
    x = 27,760,007.65/5,815.81
  6. Step 6: Final answer
    x = 4,773.20

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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.