Home / 7,572.46-11,346.09-2,639.38

Finding the Fourth Proportional to 7,572.46, 11,346.09 and 2,639.38

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Solution

The fourth proportional to 7,572.46, 11,346.09 and 2,639.38 is: 3,954.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,572.46 : 11,346.09 = 2,639.38 : x
  2. Step 2: Convert to fraction form
    7,572.46/11,346.09 = 2,639.38/x
  3. Step 3: Cross multiply
    7,572.46x = 11,346.09 × 2,639.38
  4. Step 4: Simplify right side
    7,572.46x = 29,946,643.02
  5. Step 5: Solve for x
    x = 29,946,643.02/7,572.46
  6. Step 6: Final answer
    x = 3,954.68

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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.