Home / 3,155.93-4,733.90-2,061.21

Finding the Fourth Proportional to 3,155.93, 4,733.90 and 2,061.21

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Solution

The fourth proportional to 3,155.93, 4,733.90 and 2,061.21 is: 3,091.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.93 : 4,733.90 = 2,061.21 : x
  2. Step 2: Convert to fraction form
    3,155.93/4,733.90 = 2,061.21/x
  3. Step 3: Cross multiply
    3,155.93x = 4,733.90 × 2,061.21
  4. Step 4: Simplify right side
    3,155.93x = 9,757,551.71
  5. Step 5: Solve for x
    x = 9,757,551.71/3,155.93
  6. Step 6: Final answer
    x = 3,091.82

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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.