Home / 7,531.44-11,302.20-2,855.76

Finding the Fourth Proportional to 7,531.44, 11,302.20 and 2,855.76

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Solution

The fourth proportional to 7,531.44, 11,302.20 and 2,855.76 is: 4,285.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,531.44 : 11,302.20 = 2,855.76 : x
  2. Step 2: Convert to fraction form
    7,531.44/11,302.20 = 2,855.76/x
  3. Step 3: Cross multiply
    7,531.44x = 11,302.20 × 2,855.76
  4. Step 4: Simplify right side
    7,531.44x = 32,276,370.67
  5. Step 5: Solve for x
    x = 32,276,370.67/7,531.44
  6. Step 6: Final answer
    x = 4,285.55

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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.