Home / 6,181.30-9,261.15-5,079.70

Finding the Fourth Proportional to 6,181.30, 9,261.15 and 5,079.70

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Solution

The fourth proportional to 6,181.30, 9,261.15 and 5,079.70 is: 7,610.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,181.30 : 9,261.15 = 5,079.70 : x
  2. Step 2: Convert to fraction form
    6,181.30/9,261.15 = 5,079.70/x
  3. Step 3: Cross multiply
    6,181.30x = 9,261.15 × 5,079.70
  4. Step 4: Simplify right side
    6,181.30x = 47,043,863.66
  5. Step 5: Solve for x
    x = 47,043,863.66/6,181.30
  6. Step 6: Final answer
    x = 7,610.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.