Home / 6,231.71-8,595.96-3,712.16

Finding the Fourth Proportional to 6,231.71, 8,595.96 and 3,712.16

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Solution

The fourth proportional to 6,231.71, 8,595.96 and 3,712.16 is: 5,120.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,231.71 : 8,595.96 = 3,712.16 : x
  2. Step 2: Convert to fraction form
    6,231.71/8,595.96 = 3,712.16/x
  3. Step 3: Cross multiply
    6,231.71x = 8,595.96 × 3,712.16
  4. Step 4: Simplify right side
    6,231.71x = 31,909,578.87
  5. Step 5: Solve for x
    x = 31,909,578.87/6,231.71
  6. Step 6: Final answer
    x = 5,120.52

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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.