Home / 5,469.63-8,161.76-4,880.58

Finding the Fourth Proportional to 5,469.63, 8,161.76 and 4,880.58

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Solution

The fourth proportional to 5,469.63, 8,161.76 and 4,880.58 is: 7,282.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,469.63 : 8,161.76 = 4,880.58 : x
  2. Step 2: Convert to fraction form
    5,469.63/8,161.76 = 4,880.58/x
  3. Step 3: Cross multiply
    5,469.63x = 8,161.76 × 4,880.58
  4. Step 4: Simplify right side
    5,469.63x = 39,834,098.22
  5. Step 5: Solve for x
    x = 39,834,098.22/5,469.63
  6. Step 6: Final answer
    x = 7,282.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.