Home / 7,640.46-11,462.50-2,960.58

Finding the Fourth Proportional to 7,640.46, 11,462.50 and 2,960.58

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Solution

The fourth proportional to 7,640.46, 11,462.50 and 2,960.58 is: 4,441.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,640.46 : 11,462.50 = 2,960.58 : x
  2. Step 2: Convert to fraction form
    7,640.46/11,462.50 = 2,960.58/x
  3. Step 3: Cross multiply
    7,640.46x = 11,462.50 × 2,960.58
  4. Step 4: Simplify right side
    7,640.46x = 33,935,648.25
  5. Step 5: Solve for x
    x = 33,935,648.25/7,640.46
  6. Step 6: Final answer
    x = 4,441.57

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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.