Home / 3,195.90-4,401.27-2,310.30

Finding the Fourth Proportional to 3,195.90, 4,401.27 and 2,310.30

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Solution

The fourth proportional to 3,195.90, 4,401.27 and 2,310.30 is: 3,181.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.90 : 4,401.27 = 2,310.30 : x
  2. Step 2: Convert to fraction form
    3,195.90/4,401.27 = 2,310.30/x
  3. Step 3: Cross multiply
    3,195.90x = 4,401.27 × 2,310.30
  4. Step 4: Simplify right side
    3,195.90x = 10,168,254.08
  5. Step 5: Solve for x
    x = 10,168,254.08/3,195.90
  6. Step 6: Final answer
    x = 3,181.66

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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.