Home / 3,350.96-4,625.16-2,156.75

Finding the Fourth Proportional to 3,350.96, 4,625.16 and 2,156.75

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Solution

The fourth proportional to 3,350.96, 4,625.16 and 2,156.75 is: 2,976.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,350.96 : 4,625.16 = 2,156.75 : x
  2. Step 2: Convert to fraction form
    3,350.96/4,625.16 = 2,156.75/x
  3. Step 3: Cross multiply
    3,350.96x = 4,625.16 × 2,156.75
  4. Step 4: Simplify right side
    3,350.96x = 9,975,313.83
  5. Step 5: Solve for x
    x = 9,975,313.83/3,350.96
  6. Step 6: Final answer
    x = 2,976.85

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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.