Home / 4,777.28-7,164.20-1,656.44

Finding the Fourth Proportional to 4,777.28, 7,164.20 and 1,656.44

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Solution

The fourth proportional to 4,777.28, 7,164.20 and 1,656.44 is: 2,484.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,777.28 : 7,164.20 = 1,656.44 : x
  2. Step 2: Convert to fraction form
    4,777.28/7,164.20 = 1,656.44/x
  3. Step 3: Cross multiply
    4,777.28x = 7,164.20 × 1,656.44
  4. Step 4: Simplify right side
    4,777.28x = 11,867,023.34
  5. Step 5: Solve for x
    x = 11,867,023.34/4,777.28
  6. Step 6: Final answer
    x = 2,484.06

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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.