Home / 3,087.30-4,627.80-1,524.90

Finding the Fourth Proportional to 3,087.30, 4,627.80 and 1,524.90

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Solution

The fourth proportional to 3,087.30, 4,627.80 and 1,524.90 is: 2,285.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.30 : 4,627.80 = 1,524.90 : x
  2. Step 2: Convert to fraction form
    3,087.30/4,627.80 = 1,524.90/x
  3. Step 3: Cross multiply
    3,087.30x = 4,627.80 × 1,524.90
  4. Step 4: Simplify right side
    3,087.30x = 7,056,932.22
  5. Step 5: Solve for x
    x = 7,056,932.22/3,087.30
  6. Step 6: Final answer
    x = 2,285.79

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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.