Home / 7,828.93-11,732.41-3,659.05

Finding the Fourth Proportional to 7,828.93, 11,732.41 and 3,659.05

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Solution

The fourth proportional to 7,828.93, 11,732.41 and 3,659.05 is: 5,483.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828.93 : 11,732.41 = 3,659.05 : x
  2. Step 2: Convert to fraction form
    7,828.93/11,732.41 = 3,659.05/x
  3. Step 3: Cross multiply
    7,828.93x = 11,732.41 × 3,659.05
  4. Step 4: Simplify right side
    7,828.93x = 42,929,474.81
  5. Step 5: Solve for x
    x = 42,929,474.81/7,828.93
  6. Step 6: Final answer
    x = 5,483.44

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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.