Home / 2,674.16-4,011.23-726.36

Finding the Fourth Proportional to 2,674.16, 4,011.23 and 726.36

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Solution

The fourth proportional to 2,674.16, 4,011.23 and 726.36 is: 1,089.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,674.16 : 4,011.23 = 726.36 : x
  2. Step 2: Convert to fraction form
    2,674.16/4,011.23 = 726.36/x
  3. Step 3: Cross multiply
    2,674.16x = 4,011.23 × 726.36
  4. Step 4: Simplify right side
    2,674.16x = 2,913,597.02
  5. Step 5: Solve for x
    x = 2,913,597.02/2,674.16
  6. Step 6: Final answer
    x = 1,089.54

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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.