Home / 7,027.38-9,697.86-3,883.68

Finding the Fourth Proportional to 7,027.38, 9,697.86 and 3,883.68

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Solution

The fourth proportional to 7,027.38, 9,697.86 and 3,883.68 is: 5,359.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,027.38 : 9,697.86 = 3,883.68 : x
  2. Step 2: Convert to fraction form
    7,027.38/9,697.86 = 3,883.68/x
  3. Step 3: Cross multiply
    7,027.38x = 9,697.86 × 3,883.68
  4. Step 4: Simplify right side
    7,027.38x = 37,663,384.92
  5. Step 5: Solve for x
    x = 37,663,384.92/7,027.38
  6. Step 6: Final answer
    x = 5,359.52

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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.