Home / 7,321.55-10,105.22-4,964.45

Finding the Fourth Proportional to 7,321.55, 10,105.22 and 4,964.45

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Solution

The fourth proportional to 7,321.55, 10,105.22 and 4,964.45 is: 6,851.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,321.55 : 10,105.22 = 4,964.45 : x
  2. Step 2: Convert to fraction form
    7,321.55/10,105.22 = 4,964.45/x
  3. Step 3: Cross multiply
    7,321.55x = 10,105.22 × 4,964.45
  4. Step 4: Simplify right side
    7,321.55x = 50,166,821.31
  5. Step 5: Solve for x
    x = 50,166,821.31/7,321.55
  6. Step 6: Final answer
    x = 6,851.94

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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.