Home / 5,297.28-7,940.26-1,783.96

Finding the Fourth Proportional to 5,297.28, 7,940.26 and 1,783.96

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Solution

The fourth proportional to 5,297.28, 7,940.26 and 1,783.96 is: 2,674.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,297.28 : 7,940.26 = 1,783.96 : x
  2. Step 2: Convert to fraction form
    5,297.28/7,940.26 = 1,783.96/x
  3. Step 3: Cross multiply
    5,297.28x = 7,940.26 × 1,783.96
  4. Step 4: Simplify right side
    5,297.28x = 14,165,106.23
  5. Step 5: Solve for x
    x = 14,165,106.23/5,297.28
  6. Step 6: Final answer
    x = 2,674.03

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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.