Home / 7,502.88-11,254.62-2,822.40

Finding the Fourth Proportional to 7,502.88, 11,254.62 and 2,822.40

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Solution

The fourth proportional to 7,502.88, 11,254.62 and 2,822.40 is: 4,233.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,502.88 : 11,254.62 = 2,822.40 : x
  2. Step 2: Convert to fraction form
    7,502.88/11,254.62 = 2,822.40/x
  3. Step 3: Cross multiply
    7,502.88x = 11,254.62 × 2,822.40
  4. Step 4: Simplify right side
    7,502.88x = 31,765,039.49
  5. Step 5: Solve for x
    x = 31,765,039.49/7,502.88
  6. Step 6: Final answer
    x = 4,233.71

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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.