Home / 5,208.28-7,183.02-4,689.88

Finding the Fourth Proportional to 5,208.28, 7,183.02 and 4,689.88

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Solution

The fourth proportional to 5,208.28, 7,183.02 and 4,689.88 is: 6,468.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.28 : 7,183.02 = 4,689.88 : x
  2. Step 2: Convert to fraction form
    5,208.28/7,183.02 = 4,689.88/x
  3. Step 3: Cross multiply
    5,208.28x = 7,183.02 × 4,689.88
  4. Step 4: Simplify right side
    5,208.28x = 33,687,501.84
  5. Step 5: Solve for x
    x = 33,687,501.84/5,208.28
  6. Step 6: Final answer
    x = 6,468.07

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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.