Home / 5,198.61-7,803.46-2,238.51

Finding the Fourth Proportional to 5,198.61, 7,803.46 and 2,238.51

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Solution

The fourth proportional to 5,198.61, 7,803.46 and 2,238.51 is: 3,360.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198.61 : 7,803.46 = 2,238.51 : x
  2. Step 2: Convert to fraction form
    5,198.61/7,803.46 = 2,238.51/x
  3. Step 3: Cross multiply
    5,198.61x = 7,803.46 × 2,238.51
  4. Step 4: Simplify right side
    5,198.61x = 17,468,155.31
  5. Step 5: Solve for x
    x = 17,468,155.31/5,198.61
  6. Step 6: Final answer
    x = 3,360.16

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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.