Home / 4,143.86-6,209.96-2,061.90

Finding the Fourth Proportional to 4,143.86, 6,209.96 and 2,061.90

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Solution

The fourth proportional to 4,143.86, 6,209.96 and 2,061.90 is: 3,089.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,143.86 : 6,209.96 = 2,061.90 : x
  2. Step 2: Convert to fraction form
    4,143.86/6,209.96 = 2,061.90/x
  3. Step 3: Cross multiply
    4,143.86x = 6,209.96 × 2,061.90
  4. Step 4: Simplify right side
    4,143.86x = 12,804,316.52
  5. Step 5: Solve for x
    x = 12,804,316.52/4,143.86
  6. Step 6: Final answer
    x = 3,089.95

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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.