Home / 7,715.73-11,572.13-3,763.02

Finding the Fourth Proportional to 7,715.73, 11,572.13 and 3,763.02

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Solution

The fourth proportional to 7,715.73, 11,572.13 and 3,763.02 is: 5,643.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715.73 : 11,572.13 = 3,763.02 : x
  2. Step 2: Convert to fraction form
    7,715.73/11,572.13 = 3,763.02/x
  3. Step 3: Cross multiply
    7,715.73x = 11,572.13 × 3,763.02
  4. Step 4: Simplify right side
    7,715.73x = 43,546,156.63
  5. Step 5: Solve for x
    x = 43,546,156.63/7,715.73
  6. Step 6: Final answer
    x = 5,643.82

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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.