Home / 2,062.81-3,093.45-1,281.66

Finding the Fourth Proportional to 2,062.81, 3,093.45 and 1,281.66

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Solution

The fourth proportional to 2,062.81, 3,093.45 and 1,281.66 is: 1,922.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,062.81 : 3,093.45 = 1,281.66 : x
  2. Step 2: Convert to fraction form
    2,062.81/3,093.45 = 1,281.66/x
  3. Step 3: Cross multiply
    2,062.81x = 3,093.45 × 1,281.66
  4. Step 4: Simplify right side
    2,062.81x = 3,964,751.13
  5. Step 5: Solve for x
    x = 3,964,751.13/2,062.81
  6. Step 6: Final answer
    x = 1,922.01

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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.