Home / 3,255.58-4,488.78-2,696.68

Finding the Fourth Proportional to 3,255.58, 4,488.78 and 2,696.68

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Solution

The fourth proportional to 3,255.58, 4,488.78 and 2,696.68 is: 3,718.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.58 : 4,488.78 = 2,696.68 : x
  2. Step 2: Convert to fraction form
    3,255.58/4,488.78 = 2,696.68/x
  3. Step 3: Cross multiply
    3,255.58x = 4,488.78 × 2,696.68
  4. Step 4: Simplify right side
    3,255.58x = 12,104,803.25
  5. Step 5: Solve for x
    x = 12,104,803.25/3,255.58
  6. Step 6: Final answer
    x = 3,718.17

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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.