Home / 5,260.14-7,891.79-1,562.49

Finding the Fourth Proportional to 5,260.14, 7,891.79 and 1,562.49

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Solution

The fourth proportional to 5,260.14, 7,891.79 and 1,562.49 is: 2,344.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.14 : 7,891.79 = 1,562.49 : x
  2. Step 2: Convert to fraction form
    5,260.14/7,891.79 = 1,562.49/x
  3. Step 3: Cross multiply
    5,260.14x = 7,891.79 × 1,562.49
  4. Step 4: Simplify right side
    5,260.14x = 12,330,835.14
  5. Step 5: Solve for x
    x = 12,330,835.14/5,260.14
  6. Step 6: Final answer
    x = 2,344.20

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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.