Home / 7,087.88-10,631.55-1,822.93

Finding the Fourth Proportional to 7,087.88, 10,631.55 and 1,822.93

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Solution

The fourth proportional to 7,087.88, 10,631.55 and 1,822.93 is: 2,734.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,087.88 : 10,631.55 = 1,822.93 : x
  2. Step 2: Convert to fraction form
    7,087.88/10,631.55 = 1,822.93/x
  3. Step 3: Cross multiply
    7,087.88x = 10,631.55 × 1,822.93
  4. Step 4: Simplify right side
    7,087.88x = 19,380,571.44
  5. Step 5: Solve for x
    x = 19,380,571.44/7,087.88
  6. Step 6: Final answer
    x = 2,734.33

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1.5x scale

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.