Home / 5,144.05-7,098.51-2,874.99

Finding the Fourth Proportional to 5,144.05, 7,098.51 and 2,874.99

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Solution

The fourth proportional to 5,144.05, 7,098.51 and 2,874.99 is: 3,967.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.05 : 7,098.51 = 2,874.99 : x
  2. Step 2: Convert to fraction form
    5,144.05/7,098.51 = 2,874.99/x
  3. Step 3: Cross multiply
    5,144.05x = 7,098.51 × 2,874.99
  4. Step 4: Simplify right side
    5,144.05x = 20,408,145.26
  5. Step 5: Solve for x
    x = 20,408,145.26/5,144.05
  6. Step 6: Final answer
    x = 3,967.33

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Half scale
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Double scale
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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.