Home / 6,181.06-8,521.61-5,114.90

Finding the Fourth Proportional to 6,181.06, 8,521.61 and 5,114.90

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Solution

The fourth proportional to 6,181.06, 8,521.61 and 5,114.90 is: 7,051.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,181.06 : 8,521.61 = 5,114.90 : x
  2. Step 2: Convert to fraction form
    6,181.06/8,521.61 = 5,114.90/x
  3. Step 3: Cross multiply
    6,181.06x = 8,521.61 × 5,114.90
  4. Step 4: Simplify right side
    6,181.06x = 43,587,146.76
  5. Step 5: Solve for x
    x = 43,587,146.76/6,181.06
  6. Step 6: Final answer
    x = 7,051.73

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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.