Home / 5,148.96-7,103.17-3,023.80

Finding the Fourth Proportional to 5,148.96, 7,103.17 and 3,023.80

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Solution

The fourth proportional to 5,148.96, 7,103.17 and 3,023.80 is: 4,171.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.96 : 7,103.17 = 3,023.80 : x
  2. Step 2: Convert to fraction form
    5,148.96/7,103.17 = 3,023.80/x
  3. Step 3: Cross multiply
    5,148.96x = 7,103.17 × 3,023.80
  4. Step 4: Simplify right side
    5,148.96x = 21,478,573.01
  5. Step 5: Solve for x
    x = 21,478,573.01/5,148.96
  6. Step 6: Final answer
    x = 4,171.44

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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.