Home / 6,320.94-8,721.54-3,668.01

Finding the Fourth Proportional to 6,320.94, 8,721.54 and 3,668.01

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Solution

The fourth proportional to 6,320.94, 8,721.54 and 3,668.01 is: 5,061.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320.94 : 8,721.54 = 3,668.01 : x
  2. Step 2: Convert to fraction form
    6,320.94/8,721.54 = 3,668.01/x
  3. Step 3: Cross multiply
    6,320.94x = 8,721.54 × 3,668.01
  4. Step 4: Simplify right side
    6,320.94x = 31,990,695.94
  5. Step 5: Solve for x
    x = 31,990,695.94/6,320.94
  6. Step 6: Final answer
    x = 5,061.07

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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.