Home / 5,785.02-8,675.40-2,086.26

Finding the Fourth Proportional to 5,785.02, 8,675.40 and 2,086.26

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Solution

The fourth proportional to 5,785.02, 8,675.40 and 2,086.26 is: 3,128.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.02 : 8,675.40 = 2,086.26 : x
  2. Step 2: Convert to fraction form
    5,785.02/8,675.40 = 2,086.26/x
  3. Step 3: Cross multiply
    5,785.02x = 8,675.40 × 2,086.26
  4. Step 4: Simplify right side
    5,785.02x = 18,099,115.29
  5. Step 5: Solve for x
    x = 18,099,115.29/5,785.02
  6. Step 6: Final answer
    x = 3,128.62

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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.