Home / 7,587.40-11,380.05-2,250.43

Finding the Fourth Proportional to 7,587.40, 11,380.05 and 2,250.43

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Solution

The fourth proportional to 7,587.40, 11,380.05 and 2,250.43 is: 3,375.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,587.40 : 11,380.05 = 2,250.43 : x
  2. Step 2: Convert to fraction form
    7,587.40/11,380.05 = 2,250.43/x
  3. Step 3: Cross multiply
    7,587.40x = 11,380.05 × 2,250.43
  4. Step 4: Simplify right side
    7,587.40x = 25,610,005.92
  5. Step 5: Solve for x
    x = 25,610,005.92/7,587.40
  6. Step 6: Final answer
    x = 3,375.33

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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.