Home / 2,061.18-3,091.77-1,073.79

Finding the Fourth Proportional to 2,061.18, 3,091.77 and 1,073.79

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Solution

The fourth proportional to 2,061.18, 3,091.77 and 1,073.79 is: 1,610.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,061.18 : 3,091.77 = 1,073.79 : x
  2. Step 2: Convert to fraction form
    2,061.18/3,091.77 = 1,073.79/x
  3. Step 3: Cross multiply
    2,061.18x = 3,091.77 × 1,073.79
  4. Step 4: Simplify right side
    2,061.18x = 3,319,911.71
  5. Step 5: Solve for x
    x = 3,319,911.71/2,061.18
  6. Step 6: Final answer
    x = 1,610.69

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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.