Home / 5,266.06-7,899.93-3,187.60

Finding the Fourth Proportional to 5,266.06, 7,899.93 and 3,187.60

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Solution

The fourth proportional to 5,266.06, 7,899.93 and 3,187.60 is: 4,781.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,266.06 : 7,899.93 = 3,187.60 : x
  2. Step 2: Convert to fraction form
    5,266.06/7,899.93 = 3,187.60/x
  3. Step 3: Cross multiply
    5,266.06x = 7,899.93 × 3,187.60
  4. Step 4: Simplify right side
    5,266.06x = 25,181,816.87
  5. Step 5: Solve for x
    x = 25,181,816.87/5,266.06
  6. Step 6: Final answer
    x = 4,781.91

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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.