Home / 2,210.58-3,049.38-1,370.52

Finding the Fourth Proportional to 2,210.58, 3,049.38 and 1,370.52

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Solution

The fourth proportional to 2,210.58, 3,049.38 and 1,370.52 is: 1,890.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.58 : 3,049.38 = 1,370.52 : x
  2. Step 2: Convert to fraction form
    2,210.58/3,049.38 = 1,370.52/x
  3. Step 3: Cross multiply
    2,210.58x = 3,049.38 × 1,370.52
  4. Step 4: Simplify right side
    2,210.58x = 4,179,236.28
  5. Step 5: Solve for x
    x = 4,179,236.28/2,210.58
  6. Step 6: Final answer
    x = 1,890.56

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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.