Home / 4,139.39-6,173.63-3,767.60

Finding the Fourth Proportional to 4,139.39, 6,173.63 and 3,767.60

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Solution

The fourth proportional to 4,139.39, 6,173.63 and 3,767.60 is: 5,619.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.39 : 6,173.63 = 3,767.60 : x
  2. Step 2: Convert to fraction form
    4,139.39/6,173.63 = 3,767.60/x
  3. Step 3: Cross multiply
    4,139.39x = 6,173.63 × 3,767.60
  4. Step 4: Simplify right side
    4,139.39x = 23,259,718.68
  5. Step 5: Solve for x
    x = 23,259,718.68/4,139.39
  6. Step 6: Final answer
    x = 5,619.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.