Home / 5,331.76-7,992.05-2,988.33

Finding the Fourth Proportional to 5,331.76, 7,992.05 and 2,988.33

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Solution

The fourth proportional to 5,331.76, 7,992.05 and 2,988.33 is: 4,479.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331.76 : 7,992.05 = 2,988.33 : x
  2. Step 2: Convert to fraction form
    5,331.76/7,992.05 = 2,988.33/x
  3. Step 3: Cross multiply
    5,331.76x = 7,992.05 × 2,988.33
  4. Step 4: Simplify right side
    5,331.76x = 23,882,882.78
  5. Step 5: Solve for x
    x = 23,882,882.78/5,331.76
  6. Step 6: Final answer
    x = 4,479.36

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1.5x scale

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.