Home / 2,015.42-3,016.64-1,362.56

Finding the Fourth Proportional to 2,015.42, 3,016.64 and 1,362.56

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Solution

The fourth proportional to 2,015.42, 3,016.64 and 1,362.56 is: 2,039.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015.42 : 3,016.64 = 1,362.56 : x
  2. Step 2: Convert to fraction form
    2,015.42/3,016.64 = 1,362.56/x
  3. Step 3: Cross multiply
    2,015.42x = 3,016.64 × 1,362.56
  4. Step 4: Simplify right side
    2,015.42x = 4,110,341.32
  5. Step 5: Solve for x
    x = 4,110,341.32/2,015.42
  6. Step 6: Final answer
    x = 2,039.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.