Home / 2,260.28-3,390.75-700.42

Finding the Fourth Proportional to 2,260.28, 3,390.75 and 700.42

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Solution

The fourth proportional to 2,260.28, 3,390.75 and 700.42 is: 1,050.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260.28 : 3,390.75 = 700.42 : x
  2. Step 2: Convert to fraction form
    2,260.28/3,390.75 = 700.42/x
  3. Step 3: Cross multiply
    2,260.28x = 3,390.75 × 700.42
  4. Step 4: Simplify right side
    2,260.28x = 2,374,942.25
  5. Step 5: Solve for x
    x = 2,374,942.25/2,260.28
  6. Step 6: Final answer
    x = 1,050.73

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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.