Home / 3,206.64-4,424.59-1,880.38

Finding the Fourth Proportional to 3,206.64, 4,424.59 and 1,880.38

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Solution

The fourth proportional to 3,206.64, 4,424.59 and 1,880.38 is: 2,594.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.64 : 4,424.59 = 1,880.38 : x
  2. Step 2: Convert to fraction form
    3,206.64/4,424.59 = 1,880.38/x
  3. Step 3: Cross multiply
    3,206.64x = 4,424.59 × 1,880.38
  4. Step 4: Simplify right side
    3,206.64x = 8,319,910.54
  5. Step 5: Solve for x
    x = 8,319,910.54/3,206.64
  6. Step 6: Final answer
    x = 2,594.59

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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.