Home / 5,331.82-7,988.34-4,751.98

Finding the Fourth Proportional to 5,331.82, 7,988.34 and 4,751.98

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Solution

The fourth proportional to 5,331.82, 7,988.34 and 4,751.98 is: 7,119.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331.82 : 7,988.34 = 4,751.98 : x
  2. Step 2: Convert to fraction form
    5,331.82/7,988.34 = 4,751.98/x
  3. Step 3: Cross multiply
    5,331.82x = 7,988.34 × 4,751.98
  4. Step 4: Simplify right side
    5,331.82x = 37,960,431.91
  5. Step 5: Solve for x
    x = 37,960,431.91/5,331.82
  6. Step 6: Final answer
    x = 7,119.60

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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.