Home / 3,326.84-4,591.80-1,930.40

Finding the Fourth Proportional to 3,326.84, 4,591.80 and 1,930.40

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Solution

The fourth proportional to 3,326.84, 4,591.80 and 1,930.40 is: 2,664.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.84 : 4,591.80 = 1,930.40 : x
  2. Step 2: Convert to fraction form
    3,326.84/4,591.80 = 1,930.40/x
  3. Step 3: Cross multiply
    3,326.84x = 4,591.80 × 1,930.40
  4. Step 4: Simplify right side
    3,326.84x = 8,864,010.72
  5. Step 5: Solve for x
    x = 8,864,010.72/3,326.84
  6. Step 6: Final answer
    x = 2,664.39

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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.