Home / 7,517.98-11,278.38-2,322.64

Finding the Fourth Proportional to 7,517.98, 11,278.38 and 2,322.64

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Solution

The fourth proportional to 7,517.98, 11,278.38 and 2,322.64 is: 3,484.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,517.98 : 11,278.38 = 2,322.64 : x
  2. Step 2: Convert to fraction form
    7,517.98/11,278.38 = 2,322.64/x
  3. Step 3: Cross multiply
    7,517.98x = 11,278.38 × 2,322.64
  4. Step 4: Simplify right side
    7,517.98x = 26,195,616.52
  5. Step 5: Solve for x
    x = 26,195,616.52/7,517.98
  6. Step 6: Final answer
    x = 3,484.40

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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.