Home / 4,123.80-6,184.75-2,458.39

Finding the Fourth Proportional to 4,123.80, 6,184.75 and 2,458.39

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Solution

The fourth proportional to 4,123.80, 6,184.75 and 2,458.39 is: 3,687.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.80 : 6,184.75 = 2,458.39 : x
  2. Step 2: Convert to fraction form
    4,123.80/6,184.75 = 2,458.39/x
  3. Step 3: Cross multiply
    4,123.80x = 6,184.75 × 2,458.39
  4. Step 4: Simplify right side
    4,123.80x = 15,204,530.67
  5. Step 5: Solve for x
    x = 15,204,530.67/4,123.80
  6. Step 6: Final answer
    x = 3,687.02

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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.