Home / 5,179.54-7,146.20-4,680.58

Finding the Fourth Proportional to 5,179.54, 7,146.20 and 4,680.58

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Solution

The fourth proportional to 5,179.54, 7,146.20 and 4,680.58 is: 6,457.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.54 : 7,146.20 = 4,680.58 : x
  2. Step 2: Convert to fraction form
    5,179.54/7,146.20 = 4,680.58/x
  3. Step 3: Cross multiply
    5,179.54x = 7,146.20 × 4,680.58
  4. Step 4: Simplify right side
    5,179.54x = 33,448,360.80
  5. Step 5: Solve for x
    x = 33,448,360.80/5,179.54
  6. Step 6: Final answer
    x = 6,457.79

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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.