Home / 5,453.28-8,167.05-2,671.20

Finding the Fourth Proportional to 5,453.28, 8,167.05 and 2,671.20

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Solution

The fourth proportional to 5,453.28, 8,167.05 and 2,671.20 is: 4,000.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.28 : 8,167.05 = 2,671.20 : x
  2. Step 2: Convert to fraction form
    5,453.28/8,167.05 = 2,671.20/x
  3. Step 3: Cross multiply
    5,453.28x = 8,167.05 × 2,671.20
  4. Step 4: Simplify right side
    5,453.28x = 21,815,823.96
  5. Step 5: Solve for x
    x = 21,815,823.96/5,453.28
  6. Step 6: Final answer
    x = 4,000.50

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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.