Home / 2,186.33-3,017.11-1,191.60

Finding the Fourth Proportional to 2,186.33, 3,017.11 and 1,191.60

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Solution

The fourth proportional to 2,186.33, 3,017.11 and 1,191.60 is: 1,644.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.33 : 3,017.11 = 1,191.60 : x
  2. Step 2: Convert to fraction form
    2,186.33/3,017.11 = 1,191.60/x
  3. Step 3: Cross multiply
    2,186.33x = 3,017.11 × 1,191.60
  4. Step 4: Simplify right side
    2,186.33x = 3,595,205.03
  5. Step 5: Solve for x
    x = 3,595,205.03/2,186.33
  6. Step 6: Final answer
    x = 1,644.40

Related Problems

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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.