Home / 7,765.75-11,650.14-2,501.46

Finding the Fourth Proportional to 7,765.75, 11,650.14 and 2,501.46

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Solution

The fourth proportional to 7,765.75, 11,650.14 and 2,501.46 is: 3,752.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,765.75 : 11,650.14 = 2,501.46 : x
  2. Step 2: Convert to fraction form
    7,765.75/11,650.14 = 2,501.46/x
  3. Step 3: Cross multiply
    7,765.75x = 11,650.14 × 2,501.46
  4. Step 4: Simplify right side
    7,765.75x = 29,142,359.20
  5. Step 5: Solve for x
    x = 29,142,359.20/7,765.75
  6. Step 6: Final answer
    x = 3,752.68

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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.