Home / 7,290.14-10,928.16-2,356.43

Finding the Fourth Proportional to 7,290.14, 10,928.16 and 2,356.43

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Solution

The fourth proportional to 7,290.14, 10,928.16 and 2,356.43 is: 3,532.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.14 : 10,928.16 = 2,356.43 : x
  2. Step 2: Convert to fraction form
    7,290.14/10,928.16 = 2,356.43/x
  3. Step 3: Cross multiply
    7,290.14x = 10,928.16 × 2,356.43
  4. Step 4: Simplify right side
    7,290.14x = 25,751,389.43
  5. Step 5: Solve for x
    x = 25,751,389.43/7,290.14
  6. Step 6: Final answer
    x = 3,532.36

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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.