Home / 7,322.62-10,981.66-2,642.02

Finding the Fourth Proportional to 7,322.62, 10,981.66 and 2,642.02

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Solution

The fourth proportional to 7,322.62, 10,981.66 and 2,642.02 is: 3,962.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,322.62 : 10,981.66 = 2,642.02 : x
  2. Step 2: Convert to fraction form
    7,322.62/10,981.66 = 2,642.02/x
  3. Step 3: Cross multiply
    7,322.62x = 10,981.66 × 2,642.02
  4. Step 4: Simplify right side
    7,322.62x = 29,013,782.58
  5. Step 5: Solve for x
    x = 29,013,782.58/7,322.62
  6. Step 6: Final answer
    x = 3,962.21

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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.