Home / 4,987.82-7,481.73-1,525.04

Finding the Fourth Proportional to 4,987.82, 7,481.73 and 1,525.04

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Solution

The fourth proportional to 4,987.82, 7,481.73 and 1,525.04 is: 2,287.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.82 : 7,481.73 = 1,525.04 : x
  2. Step 2: Convert to fraction form
    4,987.82/7,481.73 = 1,525.04/x
  3. Step 3: Cross multiply
    4,987.82x = 7,481.73 × 1,525.04
  4. Step 4: Simplify right side
    4,987.82x = 11,409,937.52
  5. Step 5: Solve for x
    x = 11,409,937.52/4,987.82
  6. Step 6: Final answer
    x = 2,287.56

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Half scale
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Double scale
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Similar ratio
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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.