Home / 5,424.04-8,134.66-2,137.16

Finding the Fourth Proportional to 5,424.04, 8,134.66 and 2,137.16

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Solution

The fourth proportional to 5,424.04, 8,134.66 and 2,137.16 is: 3,205.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.04 : 8,134.66 = 2,137.16 : x
  2. Step 2: Convert to fraction form
    5,424.04/8,134.66 = 2,137.16/x
  3. Step 3: Cross multiply
    5,424.04x = 8,134.66 × 2,137.16
  4. Step 4: Simplify right side
    5,424.04x = 17,385,069.97
  5. Step 5: Solve for x
    x = 17,385,069.97/5,424.04
  6. Step 6: Final answer
    x = 3,205.19

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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.