Home / 7,027.20-9,679.35-4,898.92

Finding the Fourth Proportional to 7,027.20, 9,679.35 and 4,898.92

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Solution

The fourth proportional to 7,027.20, 9,679.35 and 4,898.92 is: 6,747.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,027.20 : 9,679.35 = 4,898.92 : x
  2. Step 2: Convert to fraction form
    7,027.20/9,679.35 = 4,898.92/x
  3. Step 3: Cross multiply
    7,027.20x = 9,679.35 × 4,898.92
  4. Step 4: Simplify right side
    7,027.20x = 47,418,361.30
  5. Step 5: Solve for x
    x = 47,418,361.30/7,027.20
  6. Step 6: Final answer
    x = 6,747.83

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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.