Home / 7,240.84-9,992.38-4,054.27

Finding the Fourth Proportional to 7,240.84, 9,992.38 and 4,054.27

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Solution

The fourth proportional to 7,240.84, 9,992.38 and 4,054.27 is: 5,594.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240.84 : 9,992.38 = 4,054.27 : x
  2. Step 2: Convert to fraction form
    7,240.84/9,992.38 = 4,054.27/x
  3. Step 3: Cross multiply
    7,240.84x = 9,992.38 × 4,054.27
  4. Step 4: Simplify right side
    7,240.84x = 40,511,736.23
  5. Step 5: Solve for x
    x = 40,511,736.23/7,240.84
  6. Step 6: Final answer
    x = 5,594.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.