Home / 5,449.41-7,517.61-3,681.63

Finding the Fourth Proportional to 5,449.41, 7,517.61 and 3,681.63

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Solution

The fourth proportional to 5,449.41, 7,517.61 and 3,681.63 is: 5,078.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.41 : 7,517.61 = 3,681.63 : x
  2. Step 2: Convert to fraction form
    5,449.41/7,517.61 = 3,681.63/x
  3. Step 3: Cross multiply
    5,449.41x = 7,517.61 × 3,681.63
  4. Step 4: Simplify right side
    5,449.41x = 27,677,058.50
  5. Step 5: Solve for x
    x = 27,677,058.50/5,449.41
  6. Step 6: Final answer
    x = 5,078.91

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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.