Home / 3,350.88-4,625.74-2,156.43

Finding the Fourth Proportional to 3,350.88, 4,625.74 and 2,156.43

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Solution

The fourth proportional to 3,350.88, 4,625.74 and 2,156.43 is: 2,976.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,350.88 : 4,625.74 = 2,156.43 : x
  2. Step 2: Convert to fraction form
    3,350.88/4,625.74 = 2,156.43/x
  3. Step 3: Cross multiply
    3,350.88x = 4,625.74 × 2,156.43
  4. Step 4: Simplify right side
    3,350.88x = 9,975,084.51
  5. Step 5: Solve for x
    x = 9,975,084.51/3,350.88
  6. Step 6: Final answer
    x = 2,976.86

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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.