Home / 7,180.08-10,765.70-2,792.42

Finding the Fourth Proportional to 7,180.08, 10,765.70 and 2,792.42

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Solution

The fourth proportional to 7,180.08, 10,765.70 and 2,792.42 is: 4,186.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180.08 : 10,765.70 = 2,792.42 : x
  2. Step 2: Convert to fraction form
    7,180.08/10,765.70 = 2,792.42/x
  3. Step 3: Cross multiply
    7,180.08x = 10,765.70 × 2,792.42
  4. Step 4: Simplify right side
    7,180.08x = 30,062,355.99
  5. Step 5: Solve for x
    x = 30,062,355.99/7,180.08
  6. Step 6: Final answer
    x = 4,186.91

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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.