Home / 7,201.50-9,942.96-5,101.98

Finding the Fourth Proportional to 7,201.50, 9,942.96 and 5,101.98

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Solution

The fourth proportional to 7,201.50, 9,942.96 and 5,101.98 is: 7,044.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,201.50 : 9,942.96 = 5,101.98 : x
  2. Step 2: Convert to fraction form
    7,201.50/9,942.96 = 5,101.98/x
  3. Step 3: Cross multiply
    7,201.50x = 9,942.96 × 5,101.98
  4. Step 4: Simplify right side
    7,201.50x = 50,728,783.06
  5. Step 5: Solve for x
    x = 50,728,783.06/7,201.50
  6. Step 6: Final answer
    x = 7,044.20

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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.