Home / 3,615.41-5,423.27-1,764.32

Finding the Fourth Proportional to 3,615.41, 5,423.27 and 1,764.32

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Solution

The fourth proportional to 3,615.41, 5,423.27 and 1,764.32 is: 2,646.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.41 : 5,423.27 = 1,764.32 : x
  2. Step 2: Convert to fraction form
    3,615.41/5,423.27 = 1,764.32/x
  3. Step 3: Cross multiply
    3,615.41x = 5,423.27 × 1,764.32
  4. Step 4: Simplify right side
    3,615.41x = 9,568,383.73
  5. Step 5: Solve for x
    x = 9,568,383.73/3,615.41
  6. Step 6: Final answer
    x = 2,646.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.