Home / 4,678.20-7,016.44-1,716

Finding the Fourth Proportional to 4,678.20, 7,016.44 and 1,716

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Solution

The fourth proportional to 4,678.20, 7,016.44 and 1,716 is: 2,573.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.20 : 7,016.44 = 1,716 : x
  2. Step 2: Convert to fraction form
    4,678.20/7,016.44 = 1,716/x
  3. Step 3: Cross multiply
    4,678.20x = 7,016.44 × 1,716
  4. Step 4: Simplify right side
    4,678.20x = 12,040,211.04
  5. Step 5: Solve for x
    x = 12,040,211.04/4,678.20
  6. Step 6: Final answer
    x = 2,573.68

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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.