Home / 4,187.20-5,777.92-2,324

Finding the Fourth Proportional to 4,187.20, 5,777.92 and 2,324

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Solution

The fourth proportional to 4,187.20, 5,777.92 and 2,324 is: 3,206.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.20 : 5,777.92 = 2,324 : x
  2. Step 2: Convert to fraction form
    4,187.20/5,777.92 = 2,324/x
  3. Step 3: Cross multiply
    4,187.20x = 5,777.92 × 2,324
  4. Step 4: Simplify right side
    4,187.20x = 13,427,886.08
  5. Step 5: Solve for x
    x = 13,427,886.08/4,187.20
  6. Step 6: Final answer
    x = 3,206.89

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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.