Home / 7,643.58-11,457.69-2,962.38

Finding the Fourth Proportional to 7,643.58, 11,457.69 and 2,962.38

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Solution

The fourth proportional to 7,643.58, 11,457.69 and 2,962.38 is: 4,440.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643.58 : 11,457.69 = 2,962.38 : x
  2. Step 2: Convert to fraction form
    7,643.58/11,457.69 = 2,962.38/x
  3. Step 3: Cross multiply
    7,643.58x = 11,457.69 × 2,962.38
  4. Step 4: Simplify right side
    7,643.58x = 33,942,031.70
  5. Step 5: Solve for x
    x = 33,942,031.70/7,643.58
  6. Step 6: Final answer
    x = 4,440.59

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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.