Home / 7,431.08-10,255.48-4,245.35

Finding the Fourth Proportional to 7,431.08, 10,255.48 and 4,245.35

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Solution

The fourth proportional to 7,431.08, 10,255.48 and 4,245.35 is: 5,858.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.08 : 10,255.48 = 4,245.35 : x
  2. Step 2: Convert to fraction form
    7,431.08/10,255.48 = 4,245.35/x
  3. Step 3: Cross multiply
    7,431.08x = 10,255.48 × 4,245.35
  4. Step 4: Simplify right side
    7,431.08x = 43,538,040.13
  5. Step 5: Solve for x
    x = 43,538,040.13/7,431.08
  6. Step 6: Final answer
    x = 5,858.92

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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.