Home / 3,572.76-4,930.66-2,000.96

Finding the Fourth Proportional to 3,572.76, 4,930.66 and 2,000.96

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Solution

The fourth proportional to 3,572.76, 4,930.66 and 2,000.96 is: 2,761.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.76 : 4,930.66 = 2,000.96 : x
  2. Step 2: Convert to fraction form
    3,572.76/4,930.66 = 2,000.96/x
  3. Step 3: Cross multiply
    3,572.76x = 4,930.66 × 2,000.96
  4. Step 4: Simplify right side
    3,572.76x = 9,866,053.43
  5. Step 5: Solve for x
    x = 9,866,053.43/3,572.76
  6. Step 6: Final answer
    x = 2,761.47

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Half scale
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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.