Home / 6,168.74-8,514.18-3,930.08

Finding the Fourth Proportional to 6,168.74, 8,514.18 and 3,930.08

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Solution

The fourth proportional to 6,168.74, 8,514.18 and 3,930.08 is: 5,424.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,168.74 : 8,514.18 = 3,930.08 : x
  2. Step 2: Convert to fraction form
    6,168.74/8,514.18 = 3,930.08/x
  3. Step 3: Cross multiply
    6,168.74x = 8,514.18 × 3,930.08
  4. Step 4: Simplify right side
    6,168.74x = 33,461,365.96
  5. Step 5: Solve for x
    x = 33,461,365.96/6,168.74
  6. Step 6: Final answer
    x = 5,424.35

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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.