Home / 3,480.46-5,220.69-1,173.58

Finding the Fourth Proportional to 3,480.46, 5,220.69 and 1,173.58

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Solution

The fourth proportional to 3,480.46, 5,220.69 and 1,173.58 is: 1,760.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480.46 : 5,220.69 = 1,173.58 : x
  2. Step 2: Convert to fraction form
    3,480.46/5,220.69 = 1,173.58/x
  3. Step 3: Cross multiply
    3,480.46x = 5,220.69 × 1,173.58
  4. Step 4: Simplify right side
    3,480.46x = 6,126,897.37
  5. Step 5: Solve for x
    x = 6,126,897.37/3,480.46
  6. Step 6: Final answer
    x = 1,760.37

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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.