Home / 3,482.38-4,805.79-1,910.58

Finding the Fourth Proportional to 3,482.38, 4,805.79 and 1,910.58

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Solution

The fourth proportional to 3,482.38, 4,805.79 and 1,910.58 is: 2,636.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,482.38 : 4,805.79 = 1,910.58 : x
  2. Step 2: Convert to fraction form
    3,482.38/4,805.79 = 1,910.58/x
  3. Step 3: Cross multiply
    3,482.38x = 4,805.79 × 1,910.58
  4. Step 4: Simplify right side
    3,482.38x = 9,181,846.26
  5. Step 5: Solve for x
    x = 9,181,846.26/3,482.38
  6. Step 6: Final answer
    x = 2,636.66

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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.