Home / 4,047.21-5,578.81-3,708.23

Finding the Fourth Proportional to 4,047.21, 5,578.81 and 3,708.23

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Solution

The fourth proportional to 4,047.21, 5,578.81 and 3,708.23 is: 5,111.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.21 : 5,578.81 = 3,708.23 : x
  2. Step 2: Convert to fraction form
    4,047.21/5,578.81 = 3,708.23/x
  3. Step 3: Cross multiply
    4,047.21x = 5,578.81 × 3,708.23
  4. Step 4: Simplify right side
    4,047.21x = 20,687,473.44
  5. Step 5: Solve for x
    x = 20,687,473.44/4,047.21
  6. Step 6: Final answer
    x = 5,111.54

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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.