Home / 5,144.96-7,099.70-2,906.92

Finding the Fourth Proportional to 5,144.96, 7,099.70 and 2,906.92

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Solution

The fourth proportional to 5,144.96, 7,099.70 and 2,906.92 is: 4,011.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.96 : 7,099.70 = 2,906.92 : x
  2. Step 2: Convert to fraction form
    5,144.96/7,099.70 = 2,906.92/x
  3. Step 3: Cross multiply
    5,144.96x = 7,099.70 × 2,906.92
  4. Step 4: Simplify right side
    5,144.96x = 20,638,259.92
  5. Step 5: Solve for x
    x = 20,638,259.92/5,144.96
  6. Step 6: Final answer
    x = 4,011.35

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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.