Home / 5,727.11-7,903.27-3,209.32

Finding the Fourth Proportional to 5,727.11, 7,903.27 and 3,209.32

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Solution

The fourth proportional to 5,727.11, 7,903.27 and 3,209.32 is: 4,428.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,727.11 : 7,903.27 = 3,209.32 : x
  2. Step 2: Convert to fraction form
    5,727.11/7,903.27 = 3,209.32/x
  3. Step 3: Cross multiply
    5,727.11x = 7,903.27 × 3,209.32
  4. Step 4: Simplify right side
    5,727.11x = 25,364,106.43
  5. Step 5: Solve for x
    x = 25,364,106.43/5,727.11
  6. Step 6: Final answer
    x = 4,428.78

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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.