Home / 6,515.17-9,773.19-2,619.56

Finding the Fourth Proportional to 6,515.17, 9,773.19 and 2,619.56

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Solution

The fourth proportional to 6,515.17, 9,773.19 and 2,619.56 is: 3,929.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515.17 : 9,773.19 = 2,619.56 : x
  2. Step 2: Convert to fraction form
    6,515.17/9,773.19 = 2,619.56/x
  3. Step 3: Cross multiply
    6,515.17x = 9,773.19 × 2,619.56
  4. Step 4: Simplify right side
    6,515.17x = 25,601,482.03
  5. Step 5: Solve for x
    x = 25,601,482.03/6,515.17
  6. Step 6: Final answer
    x = 3,929.52

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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.