Home / 4,485.57-6,190.12-2,496.21

Finding the Fourth Proportional to 4,485.57, 6,190.12 and 2,496.21

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Solution

The fourth proportional to 4,485.57, 6,190.12 and 2,496.21 is: 3,444.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,485.57 : 6,190.12 = 2,496.21 : x
  2. Step 2: Convert to fraction form
    4,485.57/6,190.12 = 2,496.21/x
  3. Step 3: Cross multiply
    4,485.57x = 6,190.12 × 2,496.21
  4. Step 4: Simplify right side
    4,485.57x = 15,451,839.45
  5. Step 5: Solve for x
    x = 15,451,839.45/4,485.57
  6. Step 6: Final answer
    x = 3,444.79

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Half scale
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Double scale
Find fourth proportional to 4,486.57, 6,191.50 and 2,497.21
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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.