Home / 7,286.58-10,929.78-2,356.11

Finding the Fourth Proportional to 7,286.58, 10,929.78 and 2,356.11

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Solution

The fourth proportional to 7,286.58, 10,929.78 and 2,356.11 is: 3,534.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.58 : 10,929.78 = 2,356.11 : x
  2. Step 2: Convert to fraction form
    7,286.58/10,929.78 = 2,356.11/x
  3. Step 3: Cross multiply
    7,286.58x = 10,929.78 × 2,356.11
  4. Step 4: Simplify right side
    7,286.58x = 25,751,763.96
  5. Step 5: Solve for x
    x = 25,751,763.96/7,286.58
  6. Step 6: Final answer
    x = 3,534.14

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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.