Home / 5,424.53-8,127.50-2,961.08

Finding the Fourth Proportional to 5,424.53, 8,127.50 and 2,961.08

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Solution

The fourth proportional to 5,424.53, 8,127.50 and 2,961.08 is: 4,436.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.53 : 8,127.50 = 2,961.08 : x
  2. Step 2: Convert to fraction form
    5,424.53/8,127.50 = 2,961.08/x
  3. Step 3: Cross multiply
    5,424.53x = 8,127.50 × 2,961.08
  4. Step 4: Simplify right side
    5,424.53x = 24,066,177.70
  5. Step 5: Solve for x
    x = 24,066,177.70/5,424.53
  6. Step 6: Final answer
    x = 4,436.55

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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.