Home / 7,540.27-10,405.39-4,396.25

Finding the Fourth Proportional to 7,540.27, 10,405.39 and 4,396.25

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Solution

The fourth proportional to 7,540.27, 10,405.39 and 4,396.25 is: 6,066.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540.27 : 10,405.39 = 4,396.25 : x
  2. Step 2: Convert to fraction form
    7,540.27/10,405.39 = 4,396.25/x
  3. Step 3: Cross multiply
    7,540.27x = 10,405.39 × 4,396.25
  4. Step 4: Simplify right side
    7,540.27x = 45,744,695.79
  5. Step 5: Solve for x
    x = 45,744,695.79/7,540.27
  6. Step 6: Final answer
    x = 6,066.72

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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.