Home / 2,263.82-3,125.93-1,425.87

Finding the Fourth Proportional to 2,263.82, 3,125.93 and 1,425.87

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Solution

The fourth proportional to 2,263.82, 3,125.93 and 1,425.87 is: 1,968.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,263.82 : 3,125.93 = 1,425.87 : x
  2. Step 2: Convert to fraction form
    2,263.82/3,125.93 = 1,425.87/x
  3. Step 3: Cross multiply
    2,263.82x = 3,125.93 × 1,425.87
  4. Step 4: Simplify right side
    2,263.82x = 4,457,162.68
  5. Step 5: Solve for x
    x = 4,457,162.68/2,263.82
  6. Step 6: Final answer
    x = 1,968.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.