Home / 5,767.11-7,958.70-3,409.47

Finding the Fourth Proportional to 5,767.11, 7,958.70 and 3,409.47

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Solution

The fourth proportional to 5,767.11, 7,958.70 and 3,409.47 is: 4,705.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,767.11 : 7,958.70 = 3,409.47 : x
  2. Step 2: Convert to fraction form
    5,767.11/7,958.70 = 3,409.47/x
  3. Step 3: Cross multiply
    5,767.11x = 7,958.70 × 3,409.47
  4. Step 4: Simplify right side
    5,767.11x = 27,134,948.89
  5. Step 5: Solve for x
    x = 27,134,948.89/5,767.11
  6. Step 6: Final answer
    x = 4,705.12

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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.