Home / 5,680.13-7,839.18-3,324.24

Finding the Fourth Proportional to 5,680.13, 7,839.18 and 3,324.24

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Solution

The fourth proportional to 5,680.13, 7,839.18 and 3,324.24 is: 4,587.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.13 : 7,839.18 = 3,324.24 : x
  2. Step 2: Convert to fraction form
    5,680.13/7,839.18 = 3,324.24/x
  3. Step 3: Cross multiply
    5,680.13x = 7,839.18 × 3,324.24
  4. Step 4: Simplify right side
    5,680.13x = 26,059,315.72
  5. Step 5: Solve for x
    x = 26,059,315.72/5,680.13
  6. Step 6: Final answer
    x = 4,587.81

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1.5x scale

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.