Home / 7,299.79-10,932.13-4,170.31

Finding the Fourth Proportional to 7,299.79, 10,932.13 and 4,170.31

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Solution

The fourth proportional to 7,299.79, 10,932.13 and 4,170.31 is: 6,245.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,299.79 : 10,932.13 = 4,170.31 : x
  2. Step 2: Convert to fraction form
    7,299.79/10,932.13 = 4,170.31/x
  3. Step 3: Cross multiply
    7,299.79x = 10,932.13 × 4,170.31
  4. Step 4: Simplify right side
    7,299.79x = 45,590,371.06
  5. Step 5: Solve for x
    x = 45,590,371.06/7,299.79
  6. Step 6: Final answer
    x = 6,245.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.