Home / 5,182.41-7,149.81-3,320.49

Finding the Fourth Proportional to 5,182.41, 7,149.81 and 3,320.49

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Solution

The fourth proportional to 5,182.41, 7,149.81 and 3,320.49 is: 4,581.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.41 : 7,149.81 = 3,320.49 : x
  2. Step 2: Convert to fraction form
    5,182.41/7,149.81 = 3,320.49/x
  3. Step 3: Cross multiply
    5,182.41x = 7,149.81 × 3,320.49
  4. Step 4: Simplify right side
    5,182.41x = 23,740,872.61
  5. Step 5: Solve for x
    x = 23,740,872.61/5,182.41
  6. Step 6: Final answer
    x = 4,581.05

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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.