Home / 3,586.66-4,949.62-2,014.78

Finding the Fourth Proportional to 3,586.66, 4,949.62 and 2,014.78

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Solution

The fourth proportional to 3,586.66, 4,949.62 and 2,014.78 is: 2,780.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.66 : 4,949.62 = 2,014.78 : x
  2. Step 2: Convert to fraction form
    3,586.66/4,949.62 = 2,014.78/x
  3. Step 3: Cross multiply
    3,586.66x = 4,949.62 × 2,014.78
  4. Step 4: Simplify right side
    3,586.66x = 9,972,395.38
  5. Step 5: Solve for x
    x = 9,972,395.38/3,586.66
  6. Step 6: Final answer
    x = 2,780.41

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1.5x scale

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.