Home / 6,170.67-8,514.06-3,780.45

Finding the Fourth Proportional to 6,170.67, 8,514.06 and 3,780.45

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Solution

The fourth proportional to 6,170.67, 8,514.06 and 3,780.45 is: 5,216.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,170.67 : 8,514.06 = 3,780.45 : x
  2. Step 2: Convert to fraction form
    6,170.67/8,514.06 = 3,780.45/x
  3. Step 3: Cross multiply
    6,170.67x = 8,514.06 × 3,780.45
  4. Step 4: Simplify right side
    6,170.67x = 32,186,978.13
  5. Step 5: Solve for x
    x = 32,186,978.13/6,170.67
  6. Step 6: Final answer
    x = 5,216.12

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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.