Home / 4,009.70-5,532.44-3,132.20

Finding the Fourth Proportional to 4,009.70, 5,532.44 and 3,132.20

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Solution

The fourth proportional to 4,009.70, 5,532.44 and 3,132.20 is: 4,321.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,009.70 : 5,532.44 = 3,132.20 : x
  2. Step 2: Convert to fraction form
    4,009.70/5,532.44 = 3,132.20/x
  3. Step 3: Cross multiply
    4,009.70x = 5,532.44 × 3,132.20
  4. Step 4: Simplify right side
    4,009.70x = 17,328,708.57
  5. Step 5: Solve for x
    x = 17,328,708.57/4,009.70
  6. Step 6: Final answer
    x = 4,321.70

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Half scale
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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.