Home / 7,480.44-10,331.28-5,821.92

Finding the Fourth Proportional to 7,480.44, 10,331.28 and 5,821.92

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Solution

The fourth proportional to 7,480.44, 10,331.28 and 5,821.92 is: 8,040.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.44 : 10,331.28 = 5,821.92 : x
  2. Step 2: Convert to fraction form
    7,480.44/10,331.28 = 5,821.92/x
  3. Step 3: Cross multiply
    7,480.44x = 10,331.28 × 5,821.92
  4. Step 4: Simplify right side
    7,480.44x = 60,147,885.66
  5. Step 5: Solve for x
    x = 60,147,885.66/7,480.44
  6. Step 6: Final answer
    x = 8,040.69

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1.5x scale

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.