Home / 5,562-8,331.66-3,215.16

Finding the Fourth Proportional to 5,562, 8,331.66 and 3,215.16

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Solution

The fourth proportional to 5,562, 8,331.66 and 3,215.16 is: 4,816.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,562 : 8,331.66 = 3,215.16 : x
  2. Step 2: Convert to fraction form
    5,562/8,331.66 = 3,215.16/x
  3. Step 3: Cross multiply
    5,562x = 8,331.66 × 3,215.16
  4. Step 4: Simplify right side
    5,562x = 26,787,619.97
  5. Step 5: Solve for x
    x = 26,787,619.97/5,562
  6. Step 6: Final answer
    x = 4,816.18

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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.