Home / 2,740.47-4,110.70-792.83

Finding the Fourth Proportional to 2,740.47, 4,110.70 and 792.83

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Solution

The fourth proportional to 2,740.47, 4,110.70 and 792.83 is: 1,189.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.47 : 4,110.70 = 792.83 : x
  2. Step 2: Convert to fraction form
    2,740.47/4,110.70 = 792.83/x
  3. Step 3: Cross multiply
    2,740.47x = 4,110.70 × 792.83
  4. Step 4: Simplify right side
    2,740.47x = 3,259,086.28
  5. Step 5: Solve for x
    x = 3,259,086.28/2,740.47
  6. Step 6: Final answer
    x = 1,189.24

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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.