Home / 6,170.55-8,512.74-3,779.61

Finding the Fourth Proportional to 6,170.55, 8,512.74 and 3,779.61

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Solution

The fourth proportional to 6,170.55, 8,512.74 and 3,779.61 is: 5,214.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,170.55 : 8,512.74 = 3,779.61 : x
  2. Step 2: Convert to fraction form
    6,170.55/8,512.74 = 3,779.61/x
  3. Step 3: Cross multiply
    6,170.55x = 8,512.74 × 3,779.61
  4. Step 4: Simplify right side
    6,170.55x = 32,174,837.23
  5. Step 5: Solve for x
    x = 32,174,837.23/6,170.55
  6. Step 6: Final answer
    x = 5,214.26

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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.