Home / 5,104.57-7,625.84-3,240.76

Finding the Fourth Proportional to 5,104.57, 7,625.84 and 3,240.76

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Solution

The fourth proportional to 5,104.57, 7,625.84 and 3,240.76 is: 4,841.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.57 : 7,625.84 = 3,240.76 : x
  2. Step 2: Convert to fraction form
    5,104.57/7,625.84 = 3,240.76/x
  3. Step 3: Cross multiply
    5,104.57x = 7,625.84 × 3,240.76
  4. Step 4: Simplify right side
    5,104.57x = 24,713,517.24
  5. Step 5: Solve for x
    x = 24,713,517.24/5,104.57
  6. Step 6: Final answer
    x = 4,841.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.