Home / 4,118.07-5,681.11-3,236.43

Finding the Fourth Proportional to 4,118.07, 5,681.11 and 3,236.43

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Solution

The fourth proportional to 4,118.07, 5,681.11 and 3,236.43 is: 4,464.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118.07 : 5,681.11 = 3,236.43 : x
  2. Step 2: Convert to fraction form
    4,118.07/5,681.11 = 3,236.43/x
  3. Step 3: Cross multiply
    4,118.07x = 5,681.11 × 3,236.43
  4. Step 4: Simplify right side
    4,118.07x = 18,386,527.24
  5. Step 5: Solve for x
    x = 18,386,527.24/4,118.07
  6. Step 6: Final answer
    x = 4,464.85

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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.