Home / 7,431.93-10,256.39-4,245.75

Finding the Fourth Proportional to 7,431.93, 10,256.39 and 4,245.75

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Solution

The fourth proportional to 7,431.93, 10,256.39 and 4,245.75 is: 5,859.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.93 : 10,256.39 = 4,245.75 : x
  2. Step 2: Convert to fraction form
    7,431.93/10,256.39 = 4,245.75/x
  3. Step 3: Cross multiply
    7,431.93x = 10,256.39 × 4,245.75
  4. Step 4: Simplify right side
    7,431.93x = 43,546,046.61
  5. Step 5: Solve for x
    x = 43,546,046.61/7,431.93
  6. Step 6: Final answer
    x = 5,859.32

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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.