Home / 5,157.99-7,118.15-3,167.41

Finding the Fourth Proportional to 5,157.99, 7,118.15 and 3,167.41

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Solution

The fourth proportional to 5,157.99, 7,118.15 and 3,167.41 is: 4,371.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157.99 : 7,118.15 = 3,167.41 : x
  2. Step 2: Convert to fraction form
    5,157.99/7,118.15 = 3,167.41/x
  3. Step 3: Cross multiply
    5,157.99x = 7,118.15 × 3,167.41
  4. Step 4: Simplify right side
    5,157.99x = 22,546,099.49
  5. Step 5: Solve for x
    x = 22,546,099.49/5,157.99
  6. Step 6: Final answer
    x = 4,371.10

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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.