Home / 3,186.17-4,779.25-1,106.17

Finding the Fourth Proportional to 3,186.17, 4,779.25 and 1,106.17

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Solution

The fourth proportional to 3,186.17, 4,779.25 and 1,106.17 is: 1,659.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.17 : 4,779.25 = 1,106.17 : x
  2. Step 2: Convert to fraction form
    3,186.17/4,779.25 = 1,106.17/x
  3. Step 3: Cross multiply
    3,186.17x = 4,779.25 × 1,106.17
  4. Step 4: Simplify right side
    3,186.17x = 5,286,672.82
  5. Step 5: Solve for x
    x = 5,286,672.82/3,186.17
  6. Step 6: Final answer
    x = 1,659.26

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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.