Home / 3,326.48-4,589.54-1,999.70

Finding the Fourth Proportional to 3,326.48, 4,589.54 and 1,999.70

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Solution

The fourth proportional to 3,326.48, 4,589.54 and 1,999.70 is: 2,758.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.48 : 4,589.54 = 1,999.70 : x
  2. Step 2: Convert to fraction form
    3,326.48/4,589.54 = 1,999.70/x
  3. Step 3: Cross multiply
    3,326.48x = 4,589.54 × 1,999.70
  4. Step 4: Simplify right side
    3,326.48x = 9,177,703.14
  5. Step 5: Solve for x
    x = 9,177,703.14/3,326.48
  6. Step 6: Final answer
    x = 2,758.98

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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.