Home / 4,987.32-7,480.98-1,524.54

Finding the Fourth Proportional to 4,987.32, 7,480.98 and 1,524.54

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Solution

The fourth proportional to 4,987.32, 7,480.98 and 1,524.54 is: 2,286.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.32 : 7,480.98 = 1,524.54 : x
  2. Step 2: Convert to fraction form
    4,987.32/7,480.98 = 1,524.54/x
  3. Step 3: Cross multiply
    4,987.32x = 7,480.98 × 1,524.54
  4. Step 4: Simplify right side
    4,987.32x = 11,405,053.25
  5. Step 5: Solve for x
    x = 11,405,053.25/4,987.32
  6. Step 6: Final answer
    x = 2,286.81

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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.