Home / 4,981.37-6,872.11-3,065.48

Finding the Fourth Proportional to 4,981.37, 6,872.11 and 3,065.48

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Solution

The fourth proportional to 4,981.37, 6,872.11 and 3,065.48 is: 4,229.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.37 : 6,872.11 = 3,065.48 : x
  2. Step 2: Convert to fraction form
    4,981.37/6,872.11 = 3,065.48/x
  3. Step 3: Cross multiply
    4,981.37x = 6,872.11 × 3,065.48
  4. Step 4: Simplify right side
    4,981.37x = 21,066,299.51
  5. Step 5: Solve for x
    x = 21,066,299.51/4,981.37
  6. Step 6: Final answer
    x = 4,229.02

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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.