Home / 3,808.48-5,257.32-2,316.88

Finding the Fourth Proportional to 3,808.48, 5,257.32 and 2,316.88

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Solution

The fourth proportional to 3,808.48, 5,257.32 and 2,316.88 is: 3,198.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808.48 : 5,257.32 = 2,316.88 : x
  2. Step 2: Convert to fraction form
    3,808.48/5,257.32 = 2,316.88/x
  3. Step 3: Cross multiply
    3,808.48x = 5,257.32 × 2,316.88
  4. Step 4: Simplify right side
    3,808.48x = 12,180,579.56
  5. Step 5: Solve for x
    x = 12,180,579.56/3,808.48
  6. Step 6: Final answer
    x = 3,198.28

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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.