Home / 4,123.65-6,179.86-2,271.99

Finding the Fourth Proportional to 4,123.65, 6,179.86 and 2,271.99

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Solution

The fourth proportional to 4,123.65, 6,179.86 and 2,271.99 is: 3,404.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.65 : 6,179.86 = 2,271.99 : x
  2. Step 2: Convert to fraction form
    4,123.65/6,179.86 = 2,271.99/x
  3. Step 3: Cross multiply
    4,123.65x = 6,179.86 × 2,271.99
  4. Step 4: Simplify right side
    4,123.65x = 14,040,580.12
  5. Step 5: Solve for x
    x = 14,040,580.12/4,123.65
  6. Step 6: Final answer
    x = 3,404.89

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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.