Home / 7,382.23-11,076.60-3,871.40

Finding the Fourth Proportional to 7,382.23, 11,076.60 and 3,871.40

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Solution

The fourth proportional to 7,382.23, 11,076.60 and 3,871.40 is: 5,808.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.23 : 11,076.60 = 3,871.40 : x
  2. Step 2: Convert to fraction form
    7,382.23/11,076.60 = 3,871.40/x
  3. Step 3: Cross multiply
    7,382.23x = 11,076.60 × 3,871.40
  4. Step 4: Simplify right side
    7,382.23x = 42,881,949.24
  5. Step 5: Solve for x
    x = 42,881,949.24/7,382.23
  6. Step 6: Final answer
    x = 5,808.81

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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.