Home / 7,570.72-11,356.62-2,641.60

Finding the Fourth Proportional to 7,570.72, 11,356.62 and 2,641.60

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Solution

The fourth proportional to 7,570.72, 11,356.62 and 2,641.60 is: 3,962.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,570.72 : 11,356.62 = 2,641.60 : x
  2. Step 2: Convert to fraction form
    7,570.72/11,356.62 = 2,641.60/x
  3. Step 3: Cross multiply
    7,570.72x = 11,356.62 × 2,641.60
  4. Step 4: Simplify right side
    7,570.72x = 29,999,647.39
  5. Step 5: Solve for x
    x = 29,999,647.39/7,570.72
  6. Step 6: Final answer
    x = 3,962.59

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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.