Home / 3,409.57-5,110.17-1,765.18

Finding the Fourth Proportional to 3,409.57, 5,110.17 and 1,765.18

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Solution

The fourth proportional to 3,409.57, 5,110.17 and 1,765.18 is: 2,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.57 : 5,110.17 = 1,765.18 : x
  2. Step 2: Convert to fraction form
    3,409.57/5,110.17 = 1,765.18/x
  3. Step 3: Cross multiply
    3,409.57x = 5,110.17 × 1,765.18
  4. Step 4: Simplify right side
    3,409.57x = 9,020,369.88
  5. Step 5: Solve for x
    x = 9,020,369.88/3,409.57
  6. Step 6: Final answer
    x = 2,645.60

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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.