Home / 5,318.83-7,341.23-3,081.95

Finding the Fourth Proportional to 5,318.83, 7,341.23 and 3,081.95

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Solution

The fourth proportional to 5,318.83, 7,341.23 and 3,081.95 is: 4,253.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.83 : 7,341.23 = 3,081.95 : x
  2. Step 2: Convert to fraction form
    5,318.83/7,341.23 = 3,081.95/x
  3. Step 3: Cross multiply
    5,318.83x = 7,341.23 × 3,081.95
  4. Step 4: Simplify right side
    5,318.83x = 22,625,302.33
  5. Step 5: Solve for x
    x = 22,625,302.33/5,318.83
  6. Step 6: Final answer
    x = 4,253.81

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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.