Home / 7,570.50-11,355.78-2,098.50

Finding the Fourth Proportional to 7,570.50, 11,355.78 and 2,098.50

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Solution

The fourth proportional to 7,570.50, 11,355.78 and 2,098.50 is: 3,147.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,570.50 : 11,355.78 = 2,098.50 : x
  2. Step 2: Convert to fraction form
    7,570.50/11,355.78 = 2,098.50/x
  3. Step 3: Cross multiply
    7,570.50x = 11,355.78 × 2,098.50
  4. Step 4: Simplify right side
    7,570.50x = 23,830,104.33
  5. Step 5: Solve for x
    x = 23,830,104.33/7,570.50
  6. Step 6: Final answer
    x = 3,147.76

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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.