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Finding the Fourth Proportional to 2,597, 3,896.14 and 773

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Solution

The fourth proportional to 2,597, 3,896.14 and 773 is: 1,159.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,597 : 3,896.14 = 773 : x
  2. Step 2: Convert to fraction form
    2,597/3,896.14 = 773/x
  3. Step 3: Cross multiply
    2,597x = 3,896.14 × 773
  4. Step 4: Simplify right side
    2,597x = 3,011,716.22
  5. Step 5: Solve for x
    x = 3,011,716.22/2,597
  6. Step 6: Final answer
    x = 1,159.69

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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.