Home / 7,755.48-11,632.25-2,490.07

Finding the Fourth Proportional to 7,755.48, 11,632.25 and 2,490.07

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Solution

The fourth proportional to 7,755.48, 11,632.25 and 2,490.07 is: 3,734.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,755.48 : 11,632.25 = 2,490.07 : x
  2. Step 2: Convert to fraction form
    7,755.48/11,632.25 = 2,490.07/x
  3. Step 3: Cross multiply
    7,755.48x = 11,632.25 × 2,490.07
  4. Step 4: Simplify right side
    7,755.48x = 28,965,116.76
  5. Step 5: Solve for x
    x = 28,965,116.76/7,755.48
  6. Step 6: Final answer
    x = 3,734.80

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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.