Home / 5,727.36-8,591.27-2,438.20

Finding the Fourth Proportional to 5,727.36, 8,591.27 and 2,438.20

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Solution

The fourth proportional to 5,727.36, 8,591.27 and 2,438.20 is: 3,657.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,727.36 : 8,591.27 = 2,438.20 : x
  2. Step 2: Convert to fraction form
    5,727.36/8,591.27 = 2,438.20/x
  3. Step 3: Cross multiply
    5,727.36x = 8,591.27 × 2,438.20
  4. Step 4: Simplify right side
    5,727.36x = 20,947,233.06
  5. Step 5: Solve for x
    x = 20,947,233.06/5,727.36
  6. Step 6: Final answer
    x = 3,657.40

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