Home / 5,158.44-7,115.45-3,167.06

Finding the Fourth Proportional to 5,158.44, 7,115.45 and 3,167.06

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Solution

The fourth proportional to 5,158.44, 7,115.45 and 3,167.06 is: 4,368.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158.44 : 7,115.45 = 3,167.06 : x
  2. Step 2: Convert to fraction form
    5,158.44/7,115.45 = 3,167.06/x
  3. Step 3: Cross multiply
    5,158.44x = 7,115.45 × 3,167.06
  4. Step 4: Simplify right side
    5,158.44x = 22,535,005.66
  5. Step 5: Solve for x
    x = 22,535,005.66/5,158.44
  6. Step 6: Final answer
    x = 4,368.57

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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.