Home / 7,619.32-11,430.06-3,727

Finding the Fourth Proportional to 7,619.32, 11,430.06 and 3,727

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Solution

The fourth proportional to 7,619.32, 11,430.06 and 3,727 is: 5,591.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.32 : 11,430.06 = 3,727 : x
  2. Step 2: Convert to fraction form
    7,619.32/11,430.06 = 3,727/x
  3. Step 3: Cross multiply
    7,619.32x = 11,430.06 × 3,727
  4. Step 4: Simplify right side
    7,619.32x = 42,599,833.62
  5. Step 5: Solve for x
    x = 42,599,833.62/7,619.32
  6. Step 6: Final answer
    x = 5,591.03

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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.