Home / 5,813.31-8,022.20-3,160.76

Finding the Fourth Proportional to 5,813.31, 8,022.20 and 3,160.76

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Solution

The fourth proportional to 5,813.31, 8,022.20 and 3,160.76 is: 4,361.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,813.31 : 8,022.20 = 3,160.76 : x
  2. Step 2: Convert to fraction form
    5,813.31/8,022.20 = 3,160.76/x
  3. Step 3: Cross multiply
    5,813.31x = 8,022.20 × 3,160.76
  4. Step 4: Simplify right side
    5,813.31x = 25,356,248.87
  5. Step 5: Solve for x
    x = 25,356,248.87/5,813.31
  6. Step 6: Final answer
    x = 4,361.76

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Half scale
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Double scale
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Similar ratio
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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.