Home / 6,761.21-10,141.47-2,378.70

Finding the Fourth Proportional to 6,761.21, 10,141.47 and 2,378.70

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Solution

The fourth proportional to 6,761.21, 10,141.47 and 2,378.70 is: 3,567.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,761.21 : 10,141.47 = 2,378.70 : x
  2. Step 2: Convert to fraction form
    6,761.21/10,141.47 = 2,378.70/x
  3. Step 3: Cross multiply
    6,761.21x = 10,141.47 × 2,378.70
  4. Step 4: Simplify right side
    6,761.21x = 24,123,514.69
  5. Step 5: Solve for x
    x = 24,123,514.69/6,761.21
  6. Step 6: Final answer
    x = 3,567.93

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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.