Home / 5,427.41-8,139.02-2,308.88

Finding the Fourth Proportional to 5,427.41, 8,139.02 and 2,308.88

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Solution

The fourth proportional to 5,427.41, 8,139.02 and 2,308.88 is: 3,462.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.41 : 8,139.02 = 2,308.88 : x
  2. Step 2: Convert to fraction form
    5,427.41/8,139.02 = 2,308.88/x
  3. Step 3: Cross multiply
    5,427.41x = 8,139.02 × 2,308.88
  4. Step 4: Simplify right side
    5,427.41x = 18,792,016.15
  5. Step 5: Solve for x
    x = 18,792,016.15/5,427.41
  6. Step 6: Final answer
    x = 3,462.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.