Home / 4,087.76-6,131.64-1,166.24

Finding the Fourth Proportional to 4,087.76, 6,131.64 and 1,166.24

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Solution

The fourth proportional to 4,087.76, 6,131.64 and 1,166.24 is: 1,749.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.76 : 6,131.64 = 1,166.24 : x
  2. Step 2: Convert to fraction form
    4,087.76/6,131.64 = 1,166.24/x
  3. Step 3: Cross multiply
    4,087.76x = 6,131.64 × 1,166.24
  4. Step 4: Simplify right side
    4,087.76x = 7,150,963.83
  5. Step 5: Solve for x
    x = 7,150,963.83/4,087.76
  6. Step 6: Final answer
    x = 1,749.36

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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.