Home / 5,820.20-8,725.40-2,359.88

Finding the Fourth Proportional to 5,820.20, 8,725.40 and 2,359.88

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Solution

The fourth proportional to 5,820.20, 8,725.40 and 2,359.88 is: 3,537.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,820.20 : 8,725.40 = 2,359.88 : x
  2. Step 2: Convert to fraction form
    5,820.20/8,725.40 = 2,359.88/x
  3. Step 3: Cross multiply
    5,820.20x = 8,725.40 × 2,359.88
  4. Step 4: Simplify right side
    5,820.20x = 20,590,896.95
  5. Step 5: Solve for x
    x = 20,590,896.95/5,820.20
  6. Step 6: Final answer
    x = 3,537.83

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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.