Home / 5,198.58-7,798.32-1,501.20

Finding the Fourth Proportional to 5,198.58, 7,798.32 and 1,501.20

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Solution

The fourth proportional to 5,198.58, 7,798.32 and 1,501.20 is: 2,251.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198.58 : 7,798.32 = 1,501.20 : x
  2. Step 2: Convert to fraction form
    5,198.58/7,798.32 = 1,501.20/x
  3. Step 3: Cross multiply
    5,198.58x = 7,798.32 × 1,501.20
  4. Step 4: Simplify right side
    5,198.58x = 11,706,837.98
  5. Step 5: Solve for x
    x = 11,706,837.98/5,198.58
  6. Step 6: Final answer
    x = 2,251.93

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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.