Home / 2,260.70-3,117.62-1,635.38

Finding the Fourth Proportional to 2,260.70, 3,117.62 and 1,635.38

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Solution

The fourth proportional to 2,260.70, 3,117.62 and 1,635.38 is: 2,255.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260.70 : 3,117.62 = 1,635.38 : x
  2. Step 2: Convert to fraction form
    2,260.70/3,117.62 = 1,635.38/x
  3. Step 3: Cross multiply
    2,260.70x = 3,117.62 × 1,635.38
  4. Step 4: Simplify right side
    2,260.70x = 5,098,493.40
  5. Step 5: Solve for x
    x = 5,098,493.40/2,260.70
  6. Step 6: Final answer
    x = 2,255.27

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1.5x scale

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.