Home / 4,403.28-6,078.24-2,986.24

Finding the Fourth Proportional to 4,403.28, 6,078.24 and 2,986.24

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Solution

The fourth proportional to 4,403.28, 6,078.24 and 2,986.24 is: 4,122.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,403.28 : 6,078.24 = 2,986.24 : x
  2. Step 2: Convert to fraction form
    4,403.28/6,078.24 = 2,986.24/x
  3. Step 3: Cross multiply
    4,403.28x = 6,078.24 × 2,986.24
  4. Step 4: Simplify right side
    4,403.28x = 18,151,083.42
  5. Step 5: Solve for x
    x = 18,151,083.42/4,403.28
  6. Step 6: Final answer
    x = 4,122.17

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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.