Home / 4,209.74-5,809.58-2,321.44

Finding the Fourth Proportional to 4,209.74, 5,809.58 and 2,321.44

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Solution

The fourth proportional to 4,209.74, 5,809.58 and 2,321.44 is: 3,203.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,209.74 : 5,809.58 = 2,321.44 : x
  2. Step 2: Convert to fraction form
    4,209.74/5,809.58 = 2,321.44/x
  3. Step 3: Cross multiply
    4,209.74x = 5,809.58 × 2,321.44
  4. Step 4: Simplify right side
    4,209.74x = 13,486,591.40
  5. Step 5: Solve for x
    x = 13,486,591.40/4,209.74
  6. Step 6: Final answer
    x = 3,203.66

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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.