Home / 5,520.52-7,620.76-3,283.12

Finding the Fourth Proportional to 5,520.52, 7,620.76 and 3,283.12

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Solution

The fourth proportional to 5,520.52, 7,620.76 and 3,283.12 is: 4,532.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.52 : 7,620.76 = 3,283.12 : x
  2. Step 2: Convert to fraction form
    5,520.52/7,620.76 = 3,283.12/x
  3. Step 3: Cross multiply
    5,520.52x = 7,620.76 × 3,283.12
  4. Step 4: Simplify right side
    5,520.52x = 25,019,869.57
  5. Step 5: Solve for x
    x = 25,019,869.57/5,520.52
  6. Step 6: Final answer
    x = 4,532.16

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Double 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.