Home / 7,502.74-11,255.69-2,571.05

Finding the Fourth Proportional to 7,502.74, 11,255.69 and 2,571.05

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Solution

The fourth proportional to 7,502.74, 11,255.69 and 2,571.05 is: 3,857.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,502.74 : 11,255.69 = 2,571.05 : x
  2. Step 2: Convert to fraction form
    7,502.74/11,255.69 = 2,571.05/x
  3. Step 3: Cross multiply
    7,502.74x = 11,255.69 × 2,571.05
  4. Step 4: Simplify right side
    7,502.74x = 28,938,976.34
  5. Step 5: Solve for x
    x = 28,938,976.34/7,502.74
  6. Step 6: Final answer
    x = 3,857.12

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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.