Home / 5,617.84-8,431.80-2,697.16

Finding the Fourth Proportional to 5,617.84, 8,431.80 and 2,697.16

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Solution

The fourth proportional to 5,617.84, 8,431.80 and 2,697.16 is: 4,048.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.84 : 8,431.80 = 2,697.16 : x
  2. Step 2: Convert to fraction form
    5,617.84/8,431.80 = 2,697.16/x
  3. Step 3: Cross multiply
    5,617.84x = 8,431.80 × 2,697.16
  4. Step 4: Simplify right side
    5,617.84x = 22,741,913.69
  5. Step 5: Solve for x
    x = 22,741,913.69/5,617.84
  6. Step 6: Final answer
    x = 4,048.16

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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.