Home / 7,576.45-11,360.22-3,191.53

Finding the Fourth Proportional to 7,576.45, 11,360.22 and 3,191.53

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Solution

The fourth proportional to 7,576.45, 11,360.22 and 3,191.53 is: 4,785.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,576.45 : 11,360.22 = 3,191.53 : x
  2. Step 2: Convert to fraction form
    7,576.45/11,360.22 = 3,191.53/x
  3. Step 3: Cross multiply
    7,576.45x = 11,360.22 × 3,191.53
  4. Step 4: Simplify right side
    7,576.45x = 36,256,482.94
  5. Step 5: Solve for x
    x = 36,256,482.94/7,576.45
  6. Step 6: Final answer
    x = 4,785.42

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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.