Home / 7,570.66-11,348.61-3,620.88

Finding the Fourth Proportional to 7,570.66, 11,348.61 and 3,620.88

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Solution

The fourth proportional to 7,570.66, 11,348.61 and 3,620.88 is: 5,427.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,570.66 : 11,348.61 = 3,620.88 : x
  2. Step 2: Convert to fraction form
    7,570.66/11,348.61 = 3,620.88/x
  3. Step 3: Cross multiply
    7,570.66x = 11,348.61 × 3,620.88
  4. Step 4: Simplify right side
    7,570.66x = 41,091,941.40
  5. Step 5: Solve for x
    x = 41,091,941.40/7,570.66
  6. Step 6: Final answer
    x = 5,427.79

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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.