Home / 4,657.18-6,976.86-2,896.96

Finding the Fourth Proportional to 4,657.18, 6,976.86 and 2,896.96

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Solution

The fourth proportional to 4,657.18, 6,976.86 and 2,896.96 is: 4,339.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,657.18 : 6,976.86 = 2,896.96 : x
  2. Step 2: Convert to fraction form
    4,657.18/6,976.86 = 2,896.96/x
  3. Step 3: Cross multiply
    4,657.18x = 6,976.86 × 2,896.96
  4. Step 4: Simplify right side
    4,657.18x = 20,211,684.35
  5. Step 5: Solve for x
    x = 20,211,684.35/4,657.18
  6. Step 6: Final answer
    x = 4,339.90

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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.