Home / 4,173.94-5,759.85-2,405.80

Finding the Fourth Proportional to 4,173.94, 5,759.85 and 2,405.80

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Solution

The fourth proportional to 4,173.94, 5,759.85 and 2,405.80 is: 3,319.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,173.94 : 5,759.85 = 2,405.80 : x
  2. Step 2: Convert to fraction form
    4,173.94/5,759.85 = 2,405.80/x
  3. Step 3: Cross multiply
    4,173.94x = 5,759.85 × 2,405.80
  4. Step 4: Simplify right side
    4,173.94x = 13,857,047.13
  5. Step 5: Solve for x
    x = 13,857,047.13/4,173.94
  6. Step 6: Final answer
    x = 3,319.90

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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.