Home / 7,247.75-10,001.90-4,103.94

Finding the Fourth Proportional to 7,247.75, 10,001.90 and 4,103.94

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Solution

The fourth proportional to 7,247.75, 10,001.90 and 4,103.94 is: 5,663.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247.75 : 10,001.90 = 4,103.94 : x
  2. Step 2: Convert to fraction form
    7,247.75/10,001.90 = 4,103.94/x
  3. Step 3: Cross multiply
    7,247.75x = 10,001.90 × 4,103.94
  4. Step 4: Simplify right side
    7,247.75x = 41,047,197.49
  5. Step 5: Solve for x
    x = 41,047,197.49/7,247.75
  6. Step 6: Final answer
    x = 5,663.44

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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.