Home / 3,400.76-4,686.32-2,454.96

Finding the Fourth Proportional to 3,400.76, 4,686.32 and 2,454.96

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Solution

The fourth proportional to 3,400.76, 4,686.32 and 2,454.96 is: 3,382.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.76 : 4,686.32 = 2,454.96 : x
  2. Step 2: Convert to fraction form
    3,400.76/4,686.32 = 2,454.96/x
  3. Step 3: Cross multiply
    3,400.76x = 4,686.32 × 2,454.96
  4. Step 4: Simplify right side
    3,400.76x = 11,504,728.15
  5. Step 5: Solve for x
    x = 11,504,728.15/3,400.76
  6. Step 6: Final answer
    x = 3,382.99

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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.