Home / 2,463.20-3,694.80-2,178.08

Finding the Fourth Proportional to 2,463.20, 3,694.80 and 2,178.08

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Solution

The fourth proportional to 2,463.20, 3,694.80 and 2,178.08 is: 3,267.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,463.20 : 3,694.80 = 2,178.08 : x
  2. Step 2: Convert to fraction form
    2,463.20/3,694.80 = 2,178.08/x
  3. Step 3: Cross multiply
    2,463.20x = 3,694.80 × 2,178.08
  4. Step 4: Simplify right side
    2,463.20x = 8,047,569.98
  5. Step 5: Solve for x
    x = 8,047,569.98/2,463.20
  6. Step 6: Final answer
    x = 3,267.12

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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.