Home / 7,581.88-11,373.78-2,964.28

Finding the Fourth Proportional to 7,581.88, 11,373.78 and 2,964.28

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Solution

The fourth proportional to 7,581.88, 11,373.78 and 2,964.28 is: 4,446.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.88 : 11,373.78 = 2,964.28 : x
  2. Step 2: Convert to fraction form
    7,581.88/11,373.78 = 2,964.28/x
  3. Step 3: Cross multiply
    7,581.88x = 11,373.78 × 2,964.28
  4. Step 4: Simplify right side
    7,581.88x = 33,715,068.58
  5. Step 5: Solve for x
    x = 33,715,068.58/7,581.88
  6. Step 6: Final answer
    x = 4,446.80

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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.