Home / 7,087.83-9,781.25-3,901.04

Finding the Fourth Proportional to 7,087.83, 9,781.25 and 3,901.04

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Solution

The fourth proportional to 7,087.83, 9,781.25 and 3,901.04 is: 5,383.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,087.83 : 9,781.25 = 3,901.04 : x
  2. Step 2: Convert to fraction form
    7,087.83/9,781.25 = 3,901.04/x
  3. Step 3: Cross multiply
    7,087.83x = 9,781.25 × 3,901.04
  4. Step 4: Simplify right side
    7,087.83x = 38,157,047.50
  5. Step 5: Solve for x
    x = 38,157,047.50/7,087.83
  6. Step 6: Final answer
    x = 5,383.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.