Home / 5,184.44-7,776.66-1,721.69

Finding the Fourth Proportional to 5,184.44, 7,776.66 and 1,721.69

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Solution

The fourth proportional to 5,184.44, 7,776.66 and 1,721.69 is: 2,582.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184.44 : 7,776.66 = 1,721.69 : x
  2. Step 2: Convert to fraction form
    5,184.44/7,776.66 = 1,721.69/x
  3. Step 3: Cross multiply
    5,184.44x = 7,776.66 × 1,721.69
  4. Step 4: Simplify right side
    5,184.44x = 13,388,997.76
  5. Step 5: Solve for x
    x = 13,388,997.76/5,184.44
  6. Step 6: Final answer
    x = 2,582.54

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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.