Home / 5,320.56-7,981.41-2,036.43

Finding the Fourth Proportional to 5,320.56, 7,981.41 and 2,036.43

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Solution

The fourth proportional to 5,320.56, 7,981.41 and 2,036.43 is: 3,054.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.56 : 7,981.41 = 2,036.43 : x
  2. Step 2: Convert to fraction form
    5,320.56/7,981.41 = 2,036.43/x
  3. Step 3: Cross multiply
    5,320.56x = 7,981.41 × 2,036.43
  4. Step 4: Simplify right side
    5,320.56x = 16,253,582.77
  5. Step 5: Solve for x
    x = 16,253,582.77/5,320.56
  6. Step 6: Final answer
    x = 3,054.86

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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.