Home / 5,185.40-7,154.04-3,168.27

Finding the Fourth Proportional to 5,185.40, 7,154.04 and 3,168.27

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Solution

The fourth proportional to 5,185.40, 7,154.04 and 3,168.27 is: 4,371.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185.40 : 7,154.04 = 3,168.27 : x
  2. Step 2: Convert to fraction form
    5,185.40/7,154.04 = 3,168.27/x
  3. Step 3: Cross multiply
    5,185.40x = 7,154.04 × 3,168.27
  4. Step 4: Simplify right side
    5,185.40x = 22,665,930.31
  5. Step 5: Solve for x
    x = 22,665,930.31/5,185.40
  6. Step 6: Final answer
    x = 4,371.10

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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.