Home / 2,841.12-4,256.64-2,015.36

Finding the Fourth Proportional to 2,841.12, 4,256.64 and 2,015.36

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Solution

The fourth proportional to 2,841.12, 4,256.64 and 2,015.36 is: 3,019.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.12 : 4,256.64 = 2,015.36 : x
  2. Step 2: Convert to fraction form
    2,841.12/4,256.64 = 2,015.36/x
  3. Step 3: Cross multiply
    2,841.12x = 4,256.64 × 2,015.36
  4. Step 4: Simplify right side
    2,841.12x = 8,578,661.99
  5. Step 5: Solve for x
    x = 8,578,661.99/2,841.12
  6. Step 6: Final answer
    x = 3,019.46

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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.