Home / 4,987.32-7,480.52-1,524.57

Finding the Fourth Proportional to 4,987.32, 7,480.52 and 1,524.57

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Solution

The fourth proportional to 4,987.32, 7,480.52 and 1,524.57 is: 2,286.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.32 : 7,480.52 = 1,524.57 : x
  2. Step 2: Convert to fraction form
    4,987.32/7,480.52 = 1,524.57/x
  3. Step 3: Cross multiply
    4,987.32x = 7,480.52 × 1,524.57
  4. Step 4: Simplify right side
    4,987.32x = 11,404,568.75
  5. Step 5: Solve for x
    x = 11,404,568.75/4,987.32
  6. Step 6: Final answer
    x = 2,286.71

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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.