Home / 7,188.56-10,781.52-3,292.08

Finding the Fourth Proportional to 7,188.56, 10,781.52 and 3,292.08

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Solution

The fourth proportional to 7,188.56, 10,781.52 and 3,292.08 is: 4,937.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,188.56 : 10,781.52 = 3,292.08 : x
  2. Step 2: Convert to fraction form
    7,188.56/10,781.52 = 3,292.08/x
  3. Step 3: Cross multiply
    7,188.56x = 10,781.52 × 3,292.08
  4. Step 4: Simplify right side
    7,188.56x = 35,493,626.36
  5. Step 5: Solve for x
    x = 35,493,626.36/7,188.56
  6. Step 6: Final answer
    x = 4,937.52

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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.