Home / 6,131.44-8,460.81-4,144.68

Finding the Fourth Proportional to 6,131.44, 8,460.81 and 4,144.68

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Solution

The fourth proportional to 6,131.44, 8,460.81 and 4,144.68 is: 5,719.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,131.44 : 8,460.81 = 4,144.68 : x
  2. Step 2: Convert to fraction form
    6,131.44/8,460.81 = 4,144.68/x
  3. Step 3: Cross multiply
    6,131.44x = 8,460.81 × 4,144.68
  4. Step 4: Simplify right side
    6,131.44x = 35,067,349.99
  5. Step 5: Solve for x
    x = 35,067,349.99/6,131.44
  6. Step 6: Final answer
    x = 5,719.27

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Half scale
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Double scale
Find fourth proportional to 6,132.44, 8,462.19 and 4,145.68
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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.