Home / 4,992.36-6,890.88-2,896.08

Finding the Fourth Proportional to 4,992.36, 6,890.88 and 2,896.08

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Solution

The fourth proportional to 4,992.36, 6,890.88 and 2,896.08 is: 3,997.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.36 : 6,890.88 = 2,896.08 : x
  2. Step 2: Convert to fraction form
    4,992.36/6,890.88 = 2,896.08/x
  3. Step 3: Cross multiply
    4,992.36x = 6,890.88 × 2,896.08
  4. Step 4: Simplify right side
    4,992.36x = 19,956,539.75
  5. Step 5: Solve for x
    x = 19,956,539.75/4,992.36
  6. Step 6: Final answer
    x = 3,997.42

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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.