Home / 3,586.64-4,949.52-2,015

Finding the Fourth Proportional to 3,586.64, 4,949.52 and 2,015

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Solution

The fourth proportional to 3,586.64, 4,949.52 and 2,015 is: 2,780.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.64 : 4,949.52 = 2,015 : x
  2. Step 2: Convert to fraction form
    3,586.64/4,949.52 = 2,015/x
  3. Step 3: Cross multiply
    3,586.64x = 4,949.52 × 2,015
  4. Step 4: Simplify right side
    3,586.64x = 9,973,282.80
  5. Step 5: Solve for x
    x = 9,973,282.80/3,586.64
  6. Step 6: Final answer
    x = 2,780.68

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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.