Home / 5,151.51-7,727.13-1,453.65

Finding the Fourth Proportional to 5,151.51, 7,727.13 and 1,453.65

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Solution

The fourth proportional to 5,151.51, 7,727.13 and 1,453.65 is: 2,180.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151.51 : 7,727.13 = 1,453.65 : x
  2. Step 2: Convert to fraction form
    5,151.51/7,727.13 = 1,453.65/x
  3. Step 3: Cross multiply
    5,151.51x = 7,727.13 × 1,453.65
  4. Step 4: Simplify right side
    5,151.51x = 11,232,542.52
  5. Step 5: Solve for x
    x = 11,232,542.52/5,151.51
  6. Step 6: Final answer
    x = 2,180.44

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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.