Home / 5,376.18-8,066.75-2,455.38

Finding the Fourth Proportional to 5,376.18, 8,066.75 and 2,455.38

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Solution

The fourth proportional to 5,376.18, 8,066.75 and 2,455.38 is: 3,684.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.18 : 8,066.75 = 2,455.38 : x
  2. Step 2: Convert to fraction form
    5,376.18/8,066.75 = 2,455.38/x
  3. Step 3: Cross multiply
    5,376.18x = 8,066.75 × 2,455.38
  4. Step 4: Simplify right side
    5,376.18x = 19,806,936.62
  5. Step 5: Solve for x
    x = 19,806,936.62/5,376.18
  6. Step 6: Final answer
    x = 3,684.20

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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.