Home / 7,313.78-10,972.14-2,382.08

Finding the Fourth Proportional to 7,313.78, 10,972.14 and 2,382.08

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Solution

The fourth proportional to 7,313.78, 10,972.14 and 2,382.08 is: 3,573.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,313.78 : 10,972.14 = 2,382.08 : x
  2. Step 2: Convert to fraction form
    7,313.78/10,972.14 = 2,382.08/x
  3. Step 3: Cross multiply
    7,313.78x = 10,972.14 × 2,382.08
  4. Step 4: Simplify right side
    7,313.78x = 26,136,515.25
  5. Step 5: Solve for x
    x = 26,136,515.25/7,313.78
  6. Step 6: Final answer
    x = 3,573.60

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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.