Home / 6,125.75-8,453.67-3,331.25

Finding the Fourth Proportional to 6,125.75, 8,453.67 and 3,331.25

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Solution

The fourth proportional to 6,125.75, 8,453.67 and 3,331.25 is: 4,597.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,125.75 : 8,453.67 = 3,331.25 : x
  2. Step 2: Convert to fraction form
    6,125.75/8,453.67 = 3,331.25/x
  3. Step 3: Cross multiply
    6,125.75x = 8,453.67 × 3,331.25
  4. Step 4: Simplify right side
    6,125.75x = 28,161,288.19
  5. Step 5: Solve for x
    x = 28,161,288.19/6,125.75
  6. Step 6: Final answer
    x = 4,597.20

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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.