Home / 5,176.79-7,143.00-3,052.99

Finding the Fourth Proportional to 5,176.79, 7,143.00 and 3,052.99

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Solution

The fourth proportional to 5,176.79, 7,143.00 and 3,052.99 is: 4,212.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.79 : 7,143.00 = 3,052.99 : x
  2. Step 2: Convert to fraction form
    5,176.79/7,143.00 = 3,052.99/x
  3. Step 3: Cross multiply
    5,176.79x = 7,143.00 × 3,052.99
  4. Step 4: Simplify right side
    5,176.79x = 21,807,484.96
  5. Step 5: Solve for x
    x = 21,807,484.96/5,176.79
  6. Step 6: Final answer
    x = 4,212.55

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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.