Home / 3,114.90-4,293.63-2,450.61

Finding the Fourth Proportional to 3,114.90, 4,293.63 and 2,450.61

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Solution

The fourth proportional to 3,114.90, 4,293.63 and 2,450.61 is: 3,377.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.90 : 4,293.63 = 2,450.61 : x
  2. Step 2: Convert to fraction form
    3,114.90/4,293.63 = 2,450.61/x
  3. Step 3: Cross multiply
    3,114.90x = 4,293.63 × 2,450.61
  4. Step 4: Simplify right side
    3,114.90x = 10,522,012.61
  5. Step 5: Solve for x
    x = 10,522,012.61/3,114.90
  6. Step 6: Final answer
    x = 3,377.96

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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.