Home / 7,573.12-10,450.82-4,215.88

Finding the Fourth Proportional to 7,573.12, 10,450.82 and 4,215.88

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Solution

The fourth proportional to 7,573.12, 10,450.82 and 4,215.88 is: 5,817.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,573.12 : 10,450.82 = 4,215.88 : x
  2. Step 2: Convert to fraction form
    7,573.12/10,450.82 = 4,215.88/x
  3. Step 3: Cross multiply
    7,573.12x = 10,450.82 × 4,215.88
  4. Step 4: Simplify right side
    7,573.12x = 44,059,403.02
  5. Step 5: Solve for x
    x = 44,059,403.02/7,573.12
  6. Step 6: Final answer
    x = 5,817.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.