Home / 3,236.65-4,465.43-1,909.69

Finding the Fourth Proportional to 3,236.65, 4,465.43 and 1,909.69

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Solution

The fourth proportional to 3,236.65, 4,465.43 and 1,909.69 is: 2,634.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,236.65 : 4,465.43 = 1,909.69 : x
  2. Step 2: Convert to fraction form
    3,236.65/4,465.43 = 1,909.69/x
  3. Step 3: Cross multiply
    3,236.65x = 4,465.43 × 1,909.69
  4. Step 4: Simplify right side
    3,236.65x = 8,527,577.47
  5. Step 5: Solve for x
    x = 8,527,577.47/3,236.65
  6. Step 6: Final answer
    x = 2,634.69

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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.