Home / 1,778.79-2,666.70-1,232.04

Finding the Fourth Proportional to 1,778.79, 2,666.70 and 1,232.04

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Solution

The fourth proportional to 1,778.79, 2,666.70 and 1,232.04 is: 1,847.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778.79 : 2,666.70 = 1,232.04 : x
  2. Step 2: Convert to fraction form
    1,778.79/2,666.70 = 1,232.04/x
  3. Step 3: Cross multiply
    1,778.79x = 2,666.70 × 1,232.04
  4. Step 4: Simplify right side
    1,778.79x = 3,285,481.07
  5. Step 5: Solve for x
    x = 3,285,481.07/1,778.79
  6. Step 6: Final answer
    x = 1,847.03

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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.