Home / 4,028.08-5,553.96-3,655.12

Finding the Fourth Proportional to 4,028.08, 5,553.96 and 3,655.12

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Solution

The fourth proportional to 4,028.08, 5,553.96 and 3,655.12 is: 5,039.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,028.08 : 5,553.96 = 3,655.12 : x
  2. Step 2: Convert to fraction form
    4,028.08/5,553.96 = 3,655.12/x
  3. Step 3: Cross multiply
    4,028.08x = 5,553.96 × 3,655.12
  4. Step 4: Simplify right side
    4,028.08x = 20,300,390.28
  5. Step 5: Solve for x
    x = 20,300,390.28/4,028.08
  6. Step 6: Final answer
    x = 5,039.72

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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.