Home / 4,989.24-6,885.48-2,893.32

Finding the Fourth Proportional to 4,989.24, 6,885.48 and 2,893.32

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Solution

The fourth proportional to 4,989.24, 6,885.48 and 2,893.32 is: 3,992.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.24 : 6,885.48 = 2,893.32 : x
  2. Step 2: Convert to fraction form
    4,989.24/6,885.48 = 2,893.32/x
  3. Step 3: Cross multiply
    4,989.24x = 6,885.48 × 2,893.32
  4. Step 4: Simplify right side
    4,989.24x = 19,921,896.99
  5. Step 5: Solve for x
    x = 19,921,896.99/4,989.24
  6. Step 6: Final answer
    x = 3,992.97

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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.