Home / 3,808.94-5,254.78-2,316.62

Finding the Fourth Proportional to 3,808.94, 5,254.78 and 2,316.62

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Solution

The fourth proportional to 3,808.94, 5,254.78 and 2,316.62 is: 3,195.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808.94 : 5,254.78 = 2,316.62 : x
  2. Step 2: Convert to fraction form
    3,808.94/5,254.78 = 2,316.62/x
  3. Step 3: Cross multiply
    3,808.94x = 5,254.78 × 2,316.62
  4. Step 4: Simplify right side
    3,808.94x = 12,173,328.44
  5. Step 5: Solve for x
    x = 12,173,328.44/3,808.94
  6. Step 6: Final answer
    x = 3,195.99

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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.