Home / 5,320.65-7,342.61-3,083.25

Finding the Fourth Proportional to 5,320.65, 7,342.61 and 3,083.25

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Solution

The fourth proportional to 5,320.65, 7,342.61 and 3,083.25 is: 4,254.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.65 : 7,342.61 = 3,083.25 : x
  2. Step 2: Convert to fraction form
    5,320.65/7,342.61 = 3,083.25/x
  3. Step 3: Cross multiply
    5,320.65x = 7,342.61 × 3,083.25
  4. Step 4: Simplify right side
    5,320.65x = 22,639,086.87
  5. Step 5: Solve for x
    x = 22,639,086.87/5,320.65
  6. Step 6: Final answer
    x = 4,254.95

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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.