Home / 4,998.78-6,896.14-3,008.21

Finding the Fourth Proportional to 4,998.78, 6,896.14 and 3,008.21

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Solution

The fourth proportional to 4,998.78, 6,896.14 and 3,008.21 is: 4,150.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,998.78 : 6,896.14 = 3,008.21 : x
  2. Step 2: Convert to fraction form
    4,998.78/6,896.14 = 3,008.21/x
  3. Step 3: Cross multiply
    4,998.78x = 6,896.14 × 3,008.21
  4. Step 4: Simplify right side
    4,998.78x = 20,744,995.31
  5. Step 5: Solve for x
    x = 20,744,995.31/4,998.78
  6. Step 6: Final answer
    x = 4,150.01

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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.