Home / 3,320.79-4,582.74-1,828.68

Finding the Fourth Proportional to 3,320.79, 4,582.74 and 1,828.68

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Solution

The fourth proportional to 3,320.79, 4,582.74 and 1,828.68 is: 2,523.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.79 : 4,582.74 = 1,828.68 : x
  2. Step 2: Convert to fraction form
    3,320.79/4,582.74 = 1,828.68/x
  3. Step 3: Cross multiply
    3,320.79x = 4,582.74 × 1,828.68
  4. Step 4: Simplify right side
    3,320.79x = 8,380,364.98
  5. Step 5: Solve for x
    x = 8,380,364.98/3,320.79
  6. Step 6: Final answer
    x = 2,523.61

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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.