Home / 5,591.23-8,386.82-1,431.23

Finding the Fourth Proportional to 5,591.23, 8,386.82 and 1,431.23

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Solution

The fourth proportional to 5,591.23, 8,386.82 and 1,431.23 is: 2,146.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,591.23 : 8,386.82 = 1,431.23 : x
  2. Step 2: Convert to fraction form
    5,591.23/8,386.82 = 1,431.23/x
  3. Step 3: Cross multiply
    5,591.23x = 8,386.82 × 1,431.23
  4. Step 4: Simplify right side
    5,591.23x = 12,003,468.39
  5. Step 5: Solve for x
    x = 12,003,468.39/5,591.23
  6. Step 6: Final answer
    x = 2,146.84

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.