Home / 5,623.94-7,764.36-3,858.14

Finding the Fourth Proportional to 5,623.94, 7,764.36 and 3,858.14

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Solution

The fourth proportional to 5,623.94, 7,764.36 and 3,858.14 is: 5,326.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623.94 : 7,764.36 = 3,858.14 : x
  2. Step 2: Convert to fraction form
    5,623.94/7,764.36 = 3,858.14/x
  3. Step 3: Cross multiply
    5,623.94x = 7,764.36 × 3,858.14
  4. Step 4: Simplify right side
    5,623.94x = 29,955,992.83
  5. Step 5: Solve for x
    x = 29,955,992.83/5,623.94
  6. Step 6: Final answer
    x = 5,326.51

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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.