Home / 3,586.86-4,949.64-2,095.20

Finding the Fourth Proportional to 3,586.86, 4,949.64 and 2,095.20

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Solution

The fourth proportional to 3,586.86, 4,949.64 and 2,095.20 is: 2,891.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.86 : 4,949.64 = 2,095.20 : x
  2. Step 2: Convert to fraction form
    3,586.86/4,949.64 = 2,095.20/x
  3. Step 3: Cross multiply
    3,586.86x = 4,949.64 × 2,095.20
  4. Step 4: Simplify right side
    3,586.86x = 10,370,485.73
  5. Step 5: Solve for x
    x = 10,370,485.73/3,586.86
  6. Step 6: Final answer
    x = 2,891.24

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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.