Home / 2,186.32-3,017.08-1,191.62

Finding the Fourth Proportional to 2,186.32, 3,017.08 and 1,191.62

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Solution

The fourth proportional to 2,186.32, 3,017.08 and 1,191.62 is: 1,644.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.32 : 3,017.08 = 1,191.62 : x
  2. Step 2: Convert to fraction form
    2,186.32/3,017.08 = 1,191.62/x
  3. Step 3: Cross multiply
    2,186.32x = 3,017.08 × 1,191.62
  4. Step 4: Simplify right side
    2,186.32x = 3,595,212.87
  5. Step 5: Solve for x
    x = 3,595,212.87/2,186.32
  6. Step 6: Final answer
    x = 1,644.41

Related Problems

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Half scale
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Double scale
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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.