Home / 3,306.42-4,563-1,909.08

Finding the Fourth Proportional to 3,306.42, 4,563 and 1,909.08

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Solution

The fourth proportional to 3,306.42, 4,563 and 1,909.08 is: 2,634.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,306.42 : 4,563 = 1,909.08 : x
  2. Step 2: Convert to fraction form
    3,306.42/4,563 = 1,909.08/x
  3. Step 3: Cross multiply
    3,306.42x = 4,563 × 1,909.08
  4. Step 4: Simplify right side
    3,306.42x = 8,711,132.04
  5. Step 5: Solve for x
    x = 8,711,132.04/3,306.42
  6. Step 6: Final answer
    x = 2,634.61

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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.