Home / 7,625.52-11,430.99-2,428.02

Finding the Fourth Proportional to 7,625.52, 11,430.99 and 2,428.02

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Solution

The fourth proportional to 7,625.52, 11,430.99 and 2,428.02 is: 3,639.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,625.52 : 11,430.99 = 2,428.02 : x
  2. Step 2: Convert to fraction form
    7,625.52/11,430.99 = 2,428.02/x
  3. Step 3: Cross multiply
    7,625.52x = 11,430.99 × 2,428.02
  4. Step 4: Simplify right side
    7,625.52x = 27,754,672.34
  5. Step 5: Solve for x
    x = 27,754,672.34/7,625.52
  6. Step 6: Final answer
    x = 3,639.71

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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.