Home / 7,324.18-10,107.40-4,180.30

Finding the Fourth Proportional to 7,324.18, 10,107.40 and 4,180.30

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Solution

The fourth proportional to 7,324.18, 10,107.40 and 4,180.30 is: 5,768.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,324.18 : 10,107.40 = 4,180.30 : x
  2. Step 2: Convert to fraction form
    7,324.18/10,107.40 = 4,180.30/x
  3. Step 3: Cross multiply
    7,324.18x = 10,107.40 × 4,180.30
  4. Step 4: Simplify right side
    7,324.18x = 42,251,964.22
  5. Step 5: Solve for x
    x = 42,251,964.22/7,324.18
  6. Step 6: Final answer
    x = 5,768.83

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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.