Home / 2,469.13-3,407.32-1,350.12

Finding the Fourth Proportional to 2,469.13, 3,407.32 and 1,350.12

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Solution

The fourth proportional to 2,469.13, 3,407.32 and 1,350.12 is: 1,863.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,469.13 : 3,407.32 = 1,350.12 : x
  2. Step 2: Convert to fraction form
    2,469.13/3,407.32 = 1,350.12/x
  3. Step 3: Cross multiply
    2,469.13x = 3,407.32 × 1,350.12
  4. Step 4: Simplify right side
    2,469.13x = 4,600,278.58
  5. Step 5: Solve for x
    x = 4,600,278.58/2,469.13
  6. Step 6: Final answer
    x = 1,863.11

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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.