Home / 4,987.28-7,480.92-1,524.26

Finding the Fourth Proportional to 4,987.28, 7,480.92 and 1,524.26

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Solution

The fourth proportional to 4,987.28, 7,480.92 and 1,524.26 is: 2,286.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.28 : 7,480.92 = 1,524.26 : x
  2. Step 2: Convert to fraction form
    4,987.28/7,480.92 = 1,524.26/x
  3. Step 3: Cross multiply
    4,987.28x = 7,480.92 × 1,524.26
  4. Step 4: Simplify right side
    4,987.28x = 11,402,867.12
  5. Step 5: Solve for x
    x = 11,402,867.12/4,987.28
  6. Step 6: Final answer
    x = 2,286.39

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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.