Home / 5,272.86-7,272.81-3,384.48

Finding the Fourth Proportional to 5,272.86, 7,272.81 and 3,384.48

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Solution

The fourth proportional to 5,272.86, 7,272.81 and 3,384.48 is: 4,668.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.86 : 7,272.81 = 3,384.48 : x
  2. Step 2: Convert to fraction form
    5,272.86/7,272.81 = 3,384.48/x
  3. Step 3: Cross multiply
    5,272.86x = 7,272.81 × 3,384.48
  4. Step 4: Simplify right side
    5,272.86x = 24,614,679.99
  5. Step 5: Solve for x
    x = 24,614,679.99/5,272.86
  6. Step 6: Final answer
    x = 4,668.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.