Home / 5,252.68-7,879.32-1,357.12

Finding the Fourth Proportional to 5,252.68, 7,879.32 and 1,357.12

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Solution

The fourth proportional to 5,252.68, 7,879.32 and 1,357.12 is: 2,035.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.68 : 7,879.32 = 1,357.12 : x
  2. Step 2: Convert to fraction form
    5,252.68/7,879.32 = 1,357.12/x
  3. Step 3: Cross multiply
    5,252.68x = 7,879.32 × 1,357.12
  4. Step 4: Simplify right side
    5,252.68x = 10,693,182.76
  5. Step 5: Solve for x
    x = 10,693,182.76/5,252.68
  6. Step 6: Final answer
    x = 2,035.76

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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.