Home / 5,318.82-7,339.06-2,960.50

Finding the Fourth Proportional to 5,318.82, 7,339.06 and 2,960.50

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Solution

The fourth proportional to 5,318.82, 7,339.06 and 2,960.50 is: 4,084.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.82 : 7,339.06 = 2,960.50 : x
  2. Step 2: Convert to fraction form
    5,318.82/7,339.06 = 2,960.50/x
  3. Step 3: Cross multiply
    5,318.82x = 7,339.06 × 2,960.50
  4. Step 4: Simplify right side
    5,318.82x = 21,727,287.13
  5. Step 5: Solve for x
    x = 21,727,287.13/5,318.82
  6. Step 6: Final answer
    x = 4,084.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.